Ygra, Eater of All + Camellia, the Seedmiser + Ravenous Intruder
Ygra, Eater of All
Camellia, the Seedmiser
Ravenous Intruder
Infinite creature ETBInfinite +1/+1 counters on a creatureInfinite creature LTBInfinite creature sacrifice triggersInfinite death triggersInfinitely large creature until end of turn
How it works
Activate Ravenous Intruder by sacrificing any other creature.
Because the creature is a Food due to Ygra, when it dies, Camellia and Ygra trigger.
Resolve the Ygra trigger, putting two +1/+1 counters on it.
Resolve the Camellia trigger, creating a 1/1 Squirrel creature token.