Creatures: Baleful Strix is dope but Faerie Mastermind might fit that slot better Another good one that fits is Ledger Shredder Lotho Corrupt Sheriff might be nice for some extra mana Also Psychosis Crawler is a neat lil fella Artifacts: Fellwar Stone I would swap out for Midnight Clock Elixir of Immortality is worth considering Spellbook is an easy free no max hand size card Marina Vendrell's Grimoire for combo redundancy Wedding Ring might be an interesting include as well Sorcery: Echo of Eons is great especially if you can get it into the graveyard I would get rid of vindicate for Generous Gift Step Between Worlds can help you setup for one turn where you refill your hand Lorien Revealed can draw you three cards or go find any ISLAND card in a pinch including duals Enchantments: Phyrexian Arena is just too slow IMO Wizard Class is cool but something else that looks pretty good and has a very similar effect for less mana is Proft's Eidetic Memory Either Black Market Connections or Trouble in Pairs would be a good replacement for Phyrexian Arena Cleric Class looks very synergistic and has some recursion stapled onto it Struggle For Project Purity is solid for consistent chunks of card draw Instants: Tolarian Winds can deal a bunch of damage I would swap out quick study for Frantic Search just for the untap Brain Surge is also really nice as it draws 4 Utter End is good but if you feel 4 mana is clunky I recommend Stroke of Midnight I like the Redeem the Lost and Keep Safe as single target protection but I feel Geistwave can be a more flexible form of protection that can help dodge boardwipes as well Maybe swap Path to Exile for Swords to Plowshares Also counterspell swapped for narset's reversal could be good Another really good spell that gets around things like industructible and can't be countered is Press the Enemy