Color Identity: U

Initial Card State
- All permanents on the battlefield.
Mana Needed
- ({2} magic symbol)
available.
Steps
- Activate Ashnod's Altar by sacrificing Silvergill Mentor, adding ({C} magic symbol)
({C} magic symbol)
. - When Silvergill Mentor dies, Nim Deathmantle triggers, causing you to pay ({4} magic symbol)
to return Silvergill Mentor from your graveyard to the battlefield and attach Nim Deathmantle to it. - When Silvergill Mentor enters, it triggers, creating a creature token.
- Activate Ashnod's Altar by sacrificing a creature token, adding ({C} magic symbol)
({C} magic symbol)
. - Repeat.
Results
- Infinite ETB.
- Infinite LTB.
- Infinite death triggers.
- Infinite sacrifice triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).