Color Identity: B

Initial Card State
- Young Necromancer in hand.
- Altar of Dementia on the battlefield.
Mana Needed
- ({4} magic symbol)
({B} magic symbol)
available.
Steps
- Cast Young Necromancer by paying ({4} magic symbol)
({B} magic symbol)
. - Young Necromancer enters the battlefield, triggering its ability.
- Holding priority, activate Altar of Dementia by sacrificing Young Necromancer, causing you to mill two cards.
- Resolve the Young Necromancer trigger, exiling two cards from your graveyard except Young Necromancer, and returning Young Necromancer from your graveyard to the battlefield.
- Repeat from step 2.
Results
- Infinite self-mill.
- Near-infinite death triggers.
- Near-infinite ETB.
- Near-infinite LTB.
- Near-infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).