How it works
Prerequisites
- An opponent has at least seven cards in hand.
Steps
- 1If Rousing Refrain is in your hand, cast it by paying .
- 2Otherwise, activate The Tenth Doctor by paying , causing you to time travel three times, removing all time counters from Rousing Refrain and cast Rousing Refrain from exile without paying its mana cost.
- 3Resolve Rousing Refrain, adding at least seven , and exiling Rousing Refrain with three time counters on it.
- 4Repeat from step 2.
- 5If an opponent has eight or more cards in hand, this combo nets infinite red mana.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?