Color Identity: U, B


Initial Card State
- All permanents on the battlefield (River Kelpie without a -1/-1 counter on it ).
Steps
- Activate Altar of Dementia by sacrificing River Kelpie.
- When River Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
- Thran Vigil and River Kelpie trigger.
- Resolve the Thran Vigil trigger, putting a +1/+1 counter on River Kelpie.
- Resolve the River Kelpie trigger, causing you to draw a card.
- Resolve the Altar of Dementia ability.
- Repeat.
Results
- Infinite card draw.
- Infinite draw triggers.
- Infinite mill.
- Near-infinite ETB.
- Near-infinite LTB.
- Near-infinite death triggers.
- Near-infinite mill.
- Near-infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).