The deck has over 200 different infinite combos and many strategies to shut down other decks whilst giving you the upper hand, or just flat out win the game. Marath allows for politics by placing counters or pinging damage on creatures/players at instant speed. And deathtouch/land animation makes him a force to be reckoned with. He can be used to do nearly anything, and his colors support all types of ideas. With that in mind, his deck has a few fall-back stax type combo(aura shards/living plane/basilisk collar) but is mainly geared towards infinite combos on turns 2-4.
Combos:
the turn two-4 combos typical involve a tutor, marath + blade of the blood chief + ashnods and any low mana enchantment that gives mana or counters (hardened scales, any token doubler or counter doubler) or the typical spikefeeder archangel - presence of gond midnight guard - squirrel nest earthcraft
Anointed procession + Phyrexian altar + Hardened Scales + Marath
Anointed procession + Phyrexian altar + Hardened Scales + Marath + mana echoes
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Earhcraft + Squirrel Nest
Anointed procession + Phyrexian altar + Hardened Scales + Marath + impact tremors
Anointed procession + Phyrexian altar + Hardened Scales + Marath + earthcraft
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Fires of Yamivaya + cryptolith Rite
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Fires or Yamivya + Song of the Freyalise
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Ashnods
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Earhcraft + Squirrel Nest
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Ivy Lane Denizen
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Ashnods + Ripjaw Raptor
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Ashnods + Ranging Raptors
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Purphoros
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Keen Sense + Ashnods
Anointed procession + Phyrexian altar + Hardened Scales + Marath + Spike Feeder
Doubling Season + Phyrexian altar + Marath
Doubling Season + Phyrexian altar + Marath + mana echoes
Doubling Season + Phyrexian altar + Marath + Earhcraft + Squirrel Nest
Doubling Season + Phyrexian altar + Marath + impact tremors
Doubling Season + Phyrexian altar + Marath + earthcraft
Doubling Season + Phyrexian altar + Marath + Fires of Yamivaya + cryptolith Rite
Doubling Season + Phyrexian altar + Marath + Fires or Yamivya + Song of the Freyalise
Doubling Season + Phyrexian altar + Marath + Ashnods
Doubling Season + Phyrexian altar + Marath + Earhcraft + Squirrel Nest
Doubling Season + Phyrexian altar + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Doubling Season + Phyrexian altar + Marath + Ivy Lane Denizen
Doubling Season + Phyrexian altar + Marath + Ashnods + Ripjaw Raptor
Doubling Season + Phyrexian altar + Marath + Ashnods + Ranging Raptors
Doubling Season + Phyrexian altar + Marath + Purphoros
Doubling Season + Phyrexian altar + Marath + Keen Sense + Ashnods
Doubling Season + Phyrexian altar + Marath + Spike Feeder
Primal Vigor + Phyrexian altar + Marath
Primal Vigor + Phyrexian altar + Hardened Scales + Marath
Primal Vigor + Phyrexian altar + Marath + mana echoes
Primal Vigor + Phyrexian altar + Marath + Earhcraft + Squirrel Nest
Primal Vigor + Phyrexian altar + Marath + impact tremors
Primal Vigor + Phyrexian altar + Marath + earthcraft
Primal Vigor + Phyrexian altar + Marath + Fires of Yamivaya + cryptolith Rite
Primal Vigor + Phyrexian altar + Marath + Fires or Yamivya + Song of the Freyalise
Primal Vigor + Phyrexian altar + Marath + Ashnods
Primal Vigor + Phyrexian altar + Marath + Earhcraft + Squirrel Nest
Primal Vigor + Phyrexian altar + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Primal Vigor + Phyrexian altar + Marath + Ivy Lane Denizen
Primal Vigor + Phyrexian altar + Marath + Ashnods + Ripjaw Raptor
Primal Vigor + Phyrexian altar + Marath + Ashnods + Ranging Raptors
Primal Vigor + Phyrexian altar + Marath + Purphoros
Primal Vigor + Phyrexian altar + Marath + Keen Sense + Ashnods
Primal Vigor + Phyrexian altar + Marath + Spike Feeder
Anointed procession + Ashnods + Hardened Scales + Marath
Anointed procession + Ashnods + Hardened Scales + Marath + mana echoes
Anointed procession + Ashnods + Hardened Scales + Marath + Earhcraft + Squirrel Nest
Anointed procession + Ashnods + Hardened Scales + Marath + impact tremors
Anointed procession + Ashnods + Hardened Scales + Marath + earthcraft
Anointed procession + Ashnods + Hardened Scales + Marath + Fires of Yamivaya + cryptolith Rite
Anointed procession + Ashnods + Hardened Scales + Marath + Fires or Yamivya + Song of the Freyalise
Anointed procession + Ashnods + Hardened Scales + Marath + Goblin Sharpshooter
Anointed procession + Ashnods + hardened Scales + Marath + Earhcraft + Squirrel Nest
Anointed procession + Ashnods + Hardened Scales + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Anointed procession + Ashnods + Hardened Scales + Marath + Ivy Lane Denizen
Anointed procession + Ashnods + Hardened Scales + Marath + Ripjaw Raptor
Anointed procession + Ashnods + Hardened Scales + Marath + Ranging Raptors
Anointed procession + Ashnods + Hardened Scales + Marath + Purphoros
Anointed procession + Ashnods + Hardened Scales + Marath + Keen Sense + Ashnods
Anointed procession + Ashnods + Hardened Scales + Marath + Spike Feeder
Doubling Season + Ashnods + Marath
Doubling Season + Ashnods + Marath + mana echoes
Doubling Season + Ashnods + Marath + Earhcraft + Squirrel Nest
Doubling Season + Ashnods + Marath + impact tremors
Doubling Season + Ashnods + Marath + earthcraft
Doubling Season + Ashnods + Marath + Fires of Yamivaya + cryptolith Rite
Doubling Season + Ashnods + Marath + Fires or Yamivya + Song of the Freyalise
Doubling Season + Ashnods + Marath + Golbin Sharpshooter
Doubling Season + Ashnods + Marath + Earhcraft + Squirrel Nest
Doubling Season + Ashnods + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Doubling Season + Ashnods + Marath + Ivy Lane Denizen
Doubling Season + Ashnods + Marath + Ashnods + Ripjaw Raptor
Doubling Season + Ashnods + Marath + Ashnods + Ranging Raptors
Doubling Season + Ashnods + Marath + Purphoros
Doubling Season + Ashnods + Marath + Keen Sense + Ashnods
Doubling Season + Ashnods + Marath + Spike Feeder
Primal Vigor + Ashnods + Marath
Primal Vigor + Ashnods + Hardened Scales + Marath
Primal Vigor + Ashnods + Marath + mana echoes
Primal Vigor + Ashnods + Marath + Earhcraft + Squirrel Nest
Primal Vigor + Ashnods + Marath + impact tremors
Primal Vigor + Ashnods + Marath + earthcraft
Primal Vigor + Ashnods + Marath + Fires of Yamivaya + cryptolith Rite
Primal Vigor + Ashnods + Marath + Fires or Yamivya + Song of the Freyalise
Primal Vigor + Ashnods + Marath + Goblin Sharpshooter
Primal Vigor + Ashnods + Marath + Earhcraft + Squirrel Nest
Primal Vigor + Ashnods + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Primal Vigor + Ashnods + Marath + Ivy Lane Denizen
Primal Vigor + Ashnods + Marath + Ripjaw Raptor
Primal Vigor + Ashnods + Marath + Ranging Raptors
Primal Vigor + Ashnods + Marath + Purphoros
Primal Vigor + Ashnods + Marath + Keen Sense
Primal Vigor + Ashnods + Marath + Spike Feeder
Parallel Lives + Phyrexian altar + Marath
Parallel Lives + Phyrexian altar + Hardened Scales + Marath
Parallel Lives + Phyrexian altar + Marath + mana echoes
Parallel Lives + Phyrexian altar + Marath + Earhcraft + Squirrel Nest
Parallel Lives + Phyrexian altar + Marath + impact tremors
Parallel Lives + Phyrexian altar + Marath + earthcraft
Parallel Lives + Phyrexian altar + Marath + Fires of Yamivaya + cryptolith Rite
Parallel Lives + Phyrexian altar + Marath + Fires or Yamivya + Song of the Freyalise
Parallel Lives + Phyrexian altar + Marath + Ashnods
Parallel Lives + Phyrexian altar + Marath + Earhcraft + Squirrel Nest
Parallel Lives + Phyrexian altar + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Parallel Lives + Phyrexian altar + Marath + Ivy Lane Denizen
Parallel Lives + Phyrexian altar + Marath + Ashnods + Ripjaw Raptor
Parallel Lives + Phyrexian altar + Marath + Ashnods + Ranging Raptors
Parallel Lives + Phyrexian altar + Marath + Purphoros
Parallel Lives + Phyrexian altar + Marath + Keen Sense + Ashnods
Parallel Lives + Phyrexian altar + Marath + Spike Feeder
Parallel Lives + Ashnods + Marath
Parallel Lives + Ashnods + Hardened Scales + Marath
Parallel Lives + Ashnods + Marath + mana echoes
Parallel Lives + Ashnods + Marath + Earhcraft + Squirrel Nest
Parallel Lives + Ashnods + Marath + impact tremors
Parallel Lives + Ashnods + Marath + earthcraft
Parallel Lives + Ashnods + Marath + Fires of Yamivaya + cryptolith Rite
Parallel Lives + Ashnods + Marath + Fires or Yamivya + Song of the Freyalise
Parallel Lives + Ashnods + Marath + Goblin Sharpshooter
Parallel Lives + Ashnods + Marath + Earhcraft + Squirrel Nest
Parallel Lives + Ashnods + Marath + Earhcraft + Squirrel Nest + Fires of Yamivaya
Parallel Lives + Ashnods + Marath + Ivy Lane Denizen
Parallel Lives + Ashnods + Marath + Ripjaw Raptor
Parallel Lives + Ashnods + Marath + Ranging Raptors
Parallel Lives + Ashnods + Marath + Purphoros
Parallel Lives + Ashnods + Marath + Keen Sense
Parallel Lives + Ashnods + Marath + Spike Feeder
Midnight Guard + Presence of Gond
Midnight Guard + Presence of Gond + impact tremors
Midnight Guard + Presence of Gond + purphoros
Midnight Guard + Presence of Gond + Cryptolith Rite + Fires of Yavimaya
Midnight Guard + Presence of Gond + Cryptolith Rite + Fires of Yavimaya + impact tremors
Midnight Guard + Presence of Gond + Cryptolith Rite + Fires of Yavimaya + Purphoros
Midnight Guard + Presence of Gond + Cryptolith Rite + Fires of Yavimaya + Marath
Midnight Guard + Presence of Gond + Cryptolith Rite + Fires of Yavimaya + Spike Feeder
Midnight Guard + Presence of Gond + Earthcraft + Marath
Midnight Guard + Presence of Gond + Ashnods + Goblin SHarpshooter
Midnight Guard + Presence of Gond + Goblin SHarpshooter + Ashnods
Midnight Guard + Presence of Gond + Goblin SHarpshooter + Phyrexian Altar
Midnight Guard + Presence of Gond + Goblin SHarpshooter + Marath + Blade of the blood chief + Earthcraft
Midnight Guard + Presence of Gond + Goblin SHarpshooter + Marath + Blade of the blood chief + Song of the Freyalise
Midnight Guard + Presence of Gond + Goblin SHarpshooter + Marath + Blade of the blood chief + mana echoes
Midnight Guard + Presence of Gond + Earthcraft + Marath + Goblin Sharpshooter
Ashnods + Blade of the blood chief + primal vigor + marath
Ashnods + Blade of the blood chief + doubling season + marath
Ashnods + Blade of the blood chief + parallel lives + marath
Ashnods + Blade of the blood chief + anointed procession + marath
Ashnods + Blade of the blood chief + primal vigor + marath + impact tremors
Ashnods + Blade of the blood chief + doubling season + marath + impact tremors
Ashnods + Blade of the blood chief + parallel lives + marath + impact tremors
Ashnods + Blade of the blood chief + anointed procession + marath + impact tremors
Ashnods + Blade of the blood chief + primal vigor + marath + purphoros
Ashnods + Blade of the blood chief + doubling season + marath + purphoros
Ashnods + Blade of the blood chief + parallel lives + marath + purphoros
Ashnods + Blade of the blood chief + anointed procession + marath + purphoros
Phyerxian Altar + Blade of the blood chief + primal vigor + marath
Phyerxian Altar + Blade of the blood chief + doubling season + marath
Phyerxian Altar + Blade of the blood chief + parallel lives + marath
Phyerxian Altar + Blade of the blood chief + anointed procession + marath
Phyerxian Altar + Blade of the blood chief + primal vigor + marath + impact tremors
Phyerxian Altar + Blade of the blood chief + doubling season + marath + impact tremors
Phyerxian Altar + Blade of the blood chief + parallel lives + marath + impact tremors
Phyerxian Altar + Blade of the blood chief + anointed procession + marath + impact tremors
Phyerxian Altar + Blade of the blood chief + primal vigor + marath + purphoros
Phyerxian Altar + Blade of the blood chief + doubling season + marath + purphoros
Phyerxian Altar + Blade of the blood chief + parallel lives + marath + purphoros
Phyerxian Altar + Blade of the blood chief + anointed procession + marath + purphoros
Food Chain + Squee
Food Chain + Squee + marath
Food Chain + Squee + marath + impact tremors
Food Chain + Squee + marath + purphoros
Food Chain + Squee + marath + earthcraft
Food Chain + Squee + marath + Fires of yavimaya + song of the freyalise
Food Chain + Squee + marath + Fires of yavimaya + cryptolithic rite
Food Chain + Squee + marath + mana echoes
Food Chain + Squee + marath + ashnods
Food Chain + Squee + marath + phyrexian
Food Chain + Squee + marath + ashnods + goblin sharpshooter
Food Chain + Squee + marath + phyrexian + goblin sharpshooter
Food Chain + Squee + marath + earthcraft + goblin sharpshooter
Food Chain + Squee + marath + Fires of yavimaya + song of the freyalise + goblin sharpshooter
Food Chain + Squee + marath + Fires of yavimaya + cryptolithic rite + goblin sharpshooter
Food Chain + Squee + marath + mana echoes + goblin sharpshooter
Food Chain + Squee + marath + ashnods + goblin sharpshooter
Food Chain + Squee + marath + phyrexian + goblin sharpshooter
Thermopod + Primal Vigor + Marath + Goblin Sharpshooter
Thermopod + Primal Vigor + Marath + earthcraft
Thermopod + Primal Vigor + Marath + fires of yavimaya + cryptolith rite
Thermopod + Primal Vigor + Marath + fires of yavimaya + song of the freyalise
Thermopod + Primal Vigor + Marath + impact tremors
Thermopod + Primal Vigor + Marath + purphoros
Thermopod + Primal Vigor + Marath + ivy lane denizen
Ivy Lane denizen + phyrexian + marath
Ivy Lane denizen + phyrexian + marath + Goblin Sharpshooter
Ivy Lane denizen + phyrexian + marath + earthcraft
Ivy Lane denizen + phyrexian + marath + fires of yavimaya + cryptolith rite
Ivy Lane denizen + phyrexian + marath + fires of yavimaya + song of the freyalise
Ivy Lane denizen + phyrexian + marath + impact tremors
Ivy Lane denizen + phyrexian + marath + purphoros
ivy lane denizen + ashnods + marath
squirrel nest + earthcraft
squirrel nest + earthcraft + ashnods
squirrel nest + earthcraft + phyrexian
squirrel nest + earthcraft + phyrexian + marath
squirrel nest + earthcraft + thermopod
squirrel nest + earthcraft + marath
squirrel nest + earthcraft + ivy lane denizen
squirrel nest + earthcraft + ivy lane denizen + marath
squirrel nest + earthcraft + phyrexian + goblin sharpshooter
squirrel nest + earthcraft + ashnods + goblin sharpshooter
squirrel nest + earthcraft + impact tremors
squirrel nest + earthcraft + purphoros
squirrel nest + earthcraft + food chain
squirrel nest + earthcraft + food chain + marath
archangel of thune + spikefeeder
archangel of thune + spikefeeder + marath
archangel of thune + spikefeeder + any creature
*There are tons I didn't post because, as you can see, this list gets bonkers (its been a long time trying to list these out and my mind is going fuzzy), and sometimes very redundant, but the best part about these combos, is sometimes you have pieces to two or three different combos that just synergize together, but then one piece fills the void and activates all the combos at once.