Grim Poppet + Flourishing Defenses + Phyrexian Metamorph

Grim Poppet

Flourishing Defenses

Phyrexian Metamorph

How it works

1. Activate Grim Poppet by removing a -1/-1 counter from it, putting a -1/-1 counter on Phyrexian Metamorph.
2. Flourishing Defenses triggers, creating a creature token.
3. Activate Phyrexian Metamorph by removing a -1/-1 counter from it, putting a -1/-1 counter on Grim Poppet.
4. Flourishing Defenses triggers, creating a creature token.
5. Repeat.

This clever looping engine turns the slow degradation of -1/-1 counters into an endless parade of reinforcements, perfectly legal across formats like Commander and Legacy. At the heart of the machinery is Grim Poppet, which naturally holds three -1/-1 counters to jump-start the action, and Phyrexian Metamorph, which enters the battlefield as a copy of Grim Poppet to double your capacity for shifting those counters back and forth. Because Flourishing Defenses watches the board with a keen, enchanted eye, every single time you peel away or place a -1/-1 counter on either of these creatures, it rewards your efforts by churning out a 1/1 green Elf Warrior token. By bouncing the counters endlessly between your two Poppets, you generate an infinite stream of creature enters-the-battlefield triggers and an unbounded army of tokens.