How it works
Prerequisites
- You control at least six creatures that share a creature type with the tokens generated by Young Pyromancer
Steps
- 1Activate The Tenth Doctor by paying , removing all time counters from Inspiring Refrain.
- 2Inspiring Refrain triggers, causing you to cast it from exile without paying its mana cost.
- 3Young Pyromancer triggers, creating a creature token.
- 4When the creature token enters, Mana Echoes triggers, adding for each creature you control that shares a creature type with the token.
- 5Resolve Inspiring Refrain.
- 6Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?