How it works
Prerequisites
- An opponent cannot block Charnelhoard Wurm.
Steps
- 1Cast Sozin's Comet by paying .
- 2Declare Charnelhoard Wurm as an attacker, triggering its firebending ability, adding .
- 3Holding priority, cast Great Train Heist by paying , selecting its first mode, causing you to untap all creatures you control and get an additional combat phase after this one.
- 4Deal combat damage using Charnelhoard Wurm, triggering its ability, returning Great Train Heist from your graveyard to your hand.
- 5Repeat from step 2.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?