Preston, the Vanisher + Blasting Station + Metamorphosis Fanatic + Chord of Calling
Preston, the Vanisher
Blasting Station
Metamorphosis Fanatic
Chord of Calling
Infinite creature ETBInfinite creature LTBInfinite creature tokensInfinite damageInfinite death triggersInfinite recursion of creature cards in your graveyardInfinite creature sacrifice triggers
How it works
Cast Chord of Calling by paying at most 6, searching your library for Metamorphosis Fanatic and putting it onto the battlefield.
When Metamorphosis Fanatic enters, it, Blasting Station and Preston trigger.
Resolve the Blasting Station trigger, untapping it
Resolve the Metamorphosis Fanatic trigger, returning an applicable target from your graveyard to the battlefield.
If you returned a creature in step 4, Blasting Station triggers, untapping Blasting Station.
Holding priority, activate Blasting Station by tapping it and sacrificing Metamorphosis Fanatic.
Resolve the Preston trigger, creating a token copy of Metamorphosis Fanatic that is a 0/1 Illusion.
When the Metamorphosis Fanatic token enters, it and Blasting Station trigger.
Resolve the Blasting Station trigger, untapping it
Resolve the Metamorphosis Fanatic token's trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield.