Preston, the Vanisher + Ruthless Technomancer + Curse of Conformity + Ephemerate
Preston, the Vanisher
Ruthless Technomancer
Curse of Conformity
Ephemerate
Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite artifact tokensInfinite blinking of creatures and creature cards in your graveyardInfinite colored manaInfinite creature tokensInfinite death triggersInfinite creature ETBInfinite creature LTBInfinite creature sacrifice triggersInfinite Treasure tokensReturn all creature cards from your graveyard to the battlefield
How it works
Cast Ephemerate by paying , blinking Ruthless Technomancer.
Ruthless Technomancer and Preston trigger.
Resolve Preston's trigger, creating a 3/3 token copy of Ruthless Technomancer.
The token enters the battlefield, causing you to sacrifice the nontoken Ruthless Technomancer and create three Treasure tokens.
In response to the remaining ability, activate the token Ruthless Technomancer, paying 2 and sacrificing two Treasure tokens to return Ruthless Technomancer from your graveyard to the battlefield.
Ruthless Technomancer and Preston trigger.
Resolve Ruthless Technomancer's trigger, sacrificing the token Ruthless Technomancer and creating three Treasure tokens.
Resolve Preston's trigger, creating another 3/3 token copy of Ruthless Technomancer.
The token enters the battlefield, causing you to sacrifice the nontoken Ruthless Technomancer and create three additional Treasure tokens.
Repeat from step 4.
Once you have infinite Treasure tokens, you may activate Ruthless Technomancer any number of times, sacrifice the creatures you return any number of times with Ruthless Technomancer, and trigger Preston any number of times.