How it works
Prerequisites
- An opponent has at least three cards in hand.
Steps
- 1Cast Jeska's Will by paying .
- 2Extus triggers, returning either Dualcaster Mage or any other nonlegendary creature card from your graveyard to your hand.
- 3Holding priority, cast Dualcaster Mage by paying .
- 4Dualcaster Mage enters the battlefield, targeting Jeska's Will.
- 5Activate Ashnod's Altar by sacrificing Dualcaster Mage, adding .
- 6Resolve the Dualcaster Mage trigger, creating a copy of Jeska's Will.
- 7Extus triggers, returning Dualcaster Mage from your graveyard to your hand.
- 8Resolve the copy of Jeska's Will, adding at least .
- 9Repeat from step 3.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Powerful tier?
Spellbook classifies this as Powerful — not for these brackets.