Grim Poppet + Hapatra, Vizier of Poisons + Omni-Changeling

Grim Poppet

Hapatra, Vizier of Poisons

Omni-Changeling

How it works

1. Activate Grim Poppet by removing a -1/-1 counter from it, putting a -1/-1 counter on Omni-Changeling.
2. Hapatra triggers, creating a creature token.
3. Activate Omni-Changeling by removing a -1/-1 counter from it, putting a -1/-1 counter on Grim Poppet.
4. Hapatra triggers, creating a creature token.
5. Repeat.