How it works
Prerequisites
- You control at least one other nontoken creature.
Steps
- 1Activate Phyrexian Altar by sacrificing another nontoken creature you control, adding .
- 2When the creature dies, Yedora triggers, returning the creature from your graveyard to the battlefield face-down as a Forest land.
- 3Activate the creature by tapping it, adding .
- 4Activate Hauntwoods Shrieker by paying , turning the creature face-up.
- 5Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?