How it works
Prerequisites
- At least one +1/+1 counter on Walking Ballista.
Steps
- 1Sacrifice Walking Ballista to Ashnod's Altar for .
- 2Colfenor triggers, returning Endless One from your graveyard to your hand.
- 3Cast Endless One for .
- 4Sacrifice Endless One to Ashnod's Altar for .
- 5Colfenor triggers, returning Walking Ballista from your graveyard to your hand.
- 6Cast Walking Ballista for .
- 7Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?