How it works
Prerequisites
- Elemental Mastery attached to Brimstone Trebuchet.
- Brimstone Trebuchet does not have summoning sickness.
- "Knight" chosen with Xenograft.
Steps
- 1Activate Brimstone Trebuchet by tapping it, creating a 1/1 Elemental creature token.
- 2The Elemental enters the battlefield as a Knight due to Xenograft, triggering Brimstone Trebuchet, untapping Brimstone Trebuchet.
- 3Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?