Get infinite mana. Have sac outlet. Cast Maelstrom Wanderer an infinite number of times, putting entire deck onto field. Choose win-con.
Gilded Lotus/Khalni Gem/Candelabra of Tawnos + Filigree Sages + Training Grounds/Power Artifact = infinite mana
Filigree Sages + Gemstone Array + Everflowing Chalice at 7 = infinite mana
Rings of Brighthearth + Doubling Cube/Everflowing Chalice at 4 + Voltaic Key = infinite mana
Doubling Cube + Filigree Sages = infinite mana
Mana Reflection + Basalt Monolith/Palinchron = infinite mana
Tidespout Tyrant + Sol Ring/Mox Opal + Mana Vault/Mana Crypt = infinite mana
Doubling Season + Ashnod's Altar + Spawning Pit = infinite mana
Precursor Golem/Beetleback Chief/Mogg War Marshal/Hornet Queen/Krenko, Mob Boss/Siege-Gang Commander + Ashnod's Altar + Nim Deathmantle = infinite mana
Mana Reflection + Bloom Tender/Argothian Elder/Krosan Restorer + Pemmin's Aura/Freed from the Real = infinite mana
Umbral Mantle + Bloom Tender/Argothian Elder/Palladium Myr + Training Grounds = infinite mana
Palinchron + Simic Growth Chamber + Izzet Boilerworks + Soldevi Excavations + Temple of the False God/Gruul Turf/Gaea's Cradle = infinite mana
Pili-Pala + Earthcraft/Paradise Mantle + Training Grounds/Power Artifact = infinite mana
Power Artifact + Grim Monolith/Basalt Monolith/Mana Vault = infinite mana
Zealous Conscripts + Gilded Lotus + Deadeye Navigator = infinite mana
Kiki-Jiki, Mirror Breaker/Splinter Twin + Aphetto Alchemist/Zealous Conscripts/Intruder Alarm = infinite creatures
Kazandu Tuskcaller/Krenko, Mob Boss/Kiki-Jiki, Mirror Breaker + Intruder Alarm = infinite creatures
Earthcraft + Squirrel Nest = infinite creatures
Phantasmal Image + Palinchron = infinite mana
Deadeye Navigator + Palinchron/Peregrine Drake/Cloud of Faeries = infinite mana
Ant Queen + Doubling Season + Training Grounds + Intruder Alarm + Bloom Tender =)
Lastly, Primal Surge.
There are actually many more, but this list is just a starting point to give you an idea of what the deck's about.
Spawning Pit, Goblin Bombardment, Betrothed of Fire, Ashnod's Altar, Phyrexian Altar, Greater Good
Infinite creatures (you give them haste): many combos, some listed above; Infinite direct damage: Goblin Bombardment
Now for a turn 1 EDH win:
Mana Crypt -> Grim Monolith -> Mox Opal -> Island -> Power Artifact on Grim Monolith (infinite mana) -> Gemstone Array (infinite colored mana) --> Maelstrom Wanderer cascading into a sac outlet. GG.