Abandoned Sarcophagus + Infinite Reflection + Hollow One + Tinder Wall

Abandoned Sarcophagus

Infinite Reflection

Hollow One

Tinder Wall

How it works

1. Cast Hollow One either from your hand or from your graveyard by paying at most 1, causing it to enter the battlefield as a copy of Tinder Wall due to Infinite Reflection.
2. Activate Hollow One's first ability by sacrificing it, adding .
3. If you cast Hollow One from your graveyard, Hollow One is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Hollow One's cycling ability.
4. Repeat.

This fascinating loop relies on Infinite Reflection to transform every nontoken creature you control into a copy of whatever aura-enchanted creature you choose, which in this case strips away the inherent cycling ability printed on Hollow One. With that replacement effect active, Abandoned Sarcophagus allows you to repeatedly cast Hollow One from your graveyard for a drastically reduced cost due to its built-in discount, bypassing the Sarcophagus's usual exile clause since the copied Hollow One no longer technically has a cycling ability. Once it resolves and enters the battlefield as Tinder Wall, you simply sacrifice it to the Tinder Wall ability to generate red mana and fuel the next iteration of the loop.