Preston, the Vanisher + Bloodflow Connoisseur + Faceless Butcher + Chord of Calling
Preston, the Vanisher
Bloodflow Connoisseur
Faceless Butcher
Chord of Calling
Infinite +1/+1 counters on a creatureInfinite creature ETBInfinite creature LTBInfinite creature tokensInfinite death triggersInfinite recursion of creature cards in your graveyardInfinite creature sacrifice triggers
How it works
Cast Chord of Calling by paying at most 4, searching your library for Faceless Butcher and putting it onto the battlefield.
When Faceless Butcher enters, it and Preston trigger.
Resolve the Faceless Butcher trigger, exiling another creature if needed.
Resolve the Preston trigger, creating a token copy of Faceless Butcher that is a 0/1 Illusion.
When the Faceless Butcher token enters, it triggers, exiling the nontoken Faceless Butcher.
Activate Bloodflow Connoisseur by sacrificing the Faceless Butcher token
When the Faceless Butcher token dies, it triggers, returning Faceless Butcher from exile to the battlefield.