Leonardo, Sewer Samurai + Solemnity + Thermopod + Memnite

Leonardo, Sewer Samurai

Solemnity

Thermopod

Memnite

How it works

1. Activate Thermopod by sacrificing Memnite.
2. Cast Memnite from your graveyard by paying 0. It will not enter with a finality counter on it due to Solemnity.
3. Repeat.

This clever loop turns the graveyard into an endless engine by leveraging Leonardo, Sewer Samurai's ability to let you cast creatures with power or toughness 1 or less—like Memnite—right out of your graveyard during your turn. When Memnite enters the battlefield, you simply sacrifice it to Thermopod to generate red mana while triggering its sacrifice and death effects. The true magic of the combo lies in Solemnity, whose static replacement effect prevents finality counters from ever being placed on Memnite, completely bypassing the exile clause and allowing you to recast it for free over and over again.