Retreat to Coralhelm + Rakdos Carnarium + PuPu UFO

Prerequisites

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Steps

1. 1Activate PuPu UFO by tapping it, putting Rakdos Carnarium from your hand onto the battlefield.
2. 2When Rakdos Carnarium enters the battlefield, it and Retreat to Coralhelm trigger.
3. 3Resolve the Rakdos Carnarium trigger, returning itself from the battlefield to your hand.
4. 4Resolve the Retreat to Coralhelm trigger, untapping PuPu UFO.
5. 5Repeat.

Effects

• Infinite landfall triggers