Mortuary + Phyrexian Altar + Rograkh, Son of Rohgahh + Gwenom, Remorseless

Mortuary

Phyrexian Altar

Rograkh, Son of Rohgahh

Gwenom, Remorseless

How it works

1. Activate Phyrexian Altar by sacrificing Rograkh
2. When Rograkh dies, Mortuary triggers, putting Rograkh from your graveyard onto the top of your library.
3. Cast Rograkh from the top of your library by paying 0 life.
4. Repeat.

This engine relies on Rograkh, Son of Rohgahh's zero mana value to loop effortlessly through your deck and graveyard. By sacrificing Rograkh to Phyrexian Altar, you generate a mana of any color while triggering Mortuary to seamlessly recycle him right back to the top of your library. From there, Gwenom, Remorseless grants you the ability to play cards straight off the top of your library for zero life instead of mana, allowing you to recast Rograkh for free and repeat the cycle indefinitely.