How it works
Prerequisites
- You are able to play a land this turn.
Steps
- 1Play Crosis's Catacombs.
- 2When Crosis's Catacombs enters, it and Retreat to Emeria trigger.
- 3Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token.
- 4When the Kor Ally enters, Haru triggers, earthbending Crosis's Catacombs.
- 5Resolve the Crosis's Catacombs trigger from step 2, causing you to sacrifice it
- 6Haru triggers, returning Crosis's Catacombs from your graveyard to the battlefield.
- 7Repeat from step 2.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Spicy tier?
Spellbook classifies this as Spicy — not for these brackets.