Mortuary + Memnite + Bartolomé del Presidio + Gwenom, Remorseless

Mortuary

Memnite

Bartolomé del Presidio

Gwenom, Remorseless

How it works

1. Activate Bartolomé del Presidio by sacrificing Memnite
2. When Memnite dies, Mortuary triggers, putting Memnite from your graveyard onto the top of your library.
3. Resolve the Bartolomé del Presidio ability.
4. Cast Memnite from the top of your library by paying 0 life.
5. Repeat.

This clever loop turns zero-mana artifacts into an engine by using Bartolomé del Presidio as a dedicated sacrifice outlet that simultaneously grows larger with every iteration. Whenever you feed Memnite to the altar, Mortuary steps in to instantly intercept the creature on its way to the graveyard, neatly recycling it back onto the top of your library. From there, Gwenom, Remorseless grants you the crucial permission to play cards right off the top of your deck, letting you bypass the mana cost by paying life instead—which, since Memnite costs zero mana, means paying zero life to recast it endlessly.