How it works
Prerequisites
- Sea Tyrant of Segovia.
- You control at least five untapped creatures, two of which must be green.
Steps
- 1Cast Wurmcalling with buyback by tapping five creatures you control, two of which must be green.
- 2Resolve Wurmcalling, creating a 1/1 Wurm creature token and returning Wurmcalling to your hand.
- 3When the Wurm enters the battlefield, Intruder Alarm triggers, untapping all creatures.
- 4Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?