How it works
Prerequisites
- You have a nonland creature card in hand.
- You control another nontoken nonland reature.
- Other creatures you control can tap to produce enough mana to cast both creatures mentioned above after being tapped twice.
Steps
- 1Activate any number of creatures you control by tapping them, adding an amount of mana.
- 2Cast the creature from your hand by paying its mana cost.
- 3Hullbreaker Horror triggers, returning another creature from the battlefield to your hand.
- 4Resolve the creature spell. When it enters, Intruder Alarm triggers, untapping all creatures.
- 5Repeat.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Spicy tier?
Spellbook classifies this as Spicy — not for these brackets.