Infinite card draw for all playersInfinite draw triggersInfinite draw triggers for all playersInfinitely powerful creature until end of turnNear-infinite +1/+1 counters on a creatureNear-infinite combat phasesNear-infinite creature ETBNear-infinite creature tokensNear-infinite creature tokens with hasteNear-infinitely large creatures you control until end of turn
How it works
Cast Combat Celebrant by paying 2 plus an additional 2 for its offspring cost.
When Combat Celebrant enters, its offspring ability triggers, creating a token copy of it that is 1/1.
At the beginning of your combat phase, Nesting Dovehawk triggers, creating a copy of the Combat Celebrant token.
Declare a Combat Celebrant token as an attacker, choosing to exert it as it attacks. It then triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.