How it works
Prerequisites
- You control another nontoken creature that can be cast using or less.
Steps
- 1Activate Ashnod's Altar by sacrificing the nontoken creature, adding .
- 2When the creature dies, Mortuary triggers, putting the creature from your graveyard onto the top of your library.
- 3Cast the creature by paying its mana cost.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?