How it works
Prerequisites
- "Construct" chosen with Realmwalker.
Steps
- 1Cast Hangarback Walker either from your hand or from the top of your library by paying .
- 2Hangarback Walker enters the battlefield and dies as a state-based action due to having zero toughness.
- 3Mortuary triggers, putting Hangarback Walker on top of your library from your graveyard.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?