Color Identity: W, U


Initial Card State
- All permanents on the battlefield.
Notable Prerequisites
- Corridor Monitor does not have a -1/-1 counter on it.
Steps
- Activate Cauldron of Souls by tapping it, giving Corridor Monitor persist until end of turn.
- Activate Ashnod's Altar by sacrificing Corridor Monitor, adding ({C} magic symbol)
({C} magic symbol)
. - When Corridor Monitor dies, its persist ability triggers, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
- When Corridor Monitor enters the battlefield, it and Cathars' Crusade trigger.
- Resolve the Corridor Monitor trigger, untapping Cauldron of Souls.
- Resolve the Cathars' Crusade trigger, putting a +1/+1 counter on each creature you control.
- Repeat.
Results
- Infinite colorless mana.
- Infinite death triggers.
- Infinite ETB.
- Infinite LTB.
- Infinite sacrifice triggers.
- Infinite +1/+1 counters on creatures you control.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).