Bog Glider, Dryad Arbor, Retreat to Coralhelm, Mortuary, and Conspiracy

Prerequisites

• Bog Glider on the battlefield
• Dryad Arbor on the battlefield
• Retreat to Coralhelm on the battlefield
• Mortuary on the battlefield
• Conspiracy on the battlefield
• Bog Glider does not have summoning sickness
• "Mercenary" chosen with Conspiracy

Steps

1. Activate Bog Glider by tapping it and sacrificing Dryad Arbor
2. When Dryad Arbor dies, Mortuary triggers, putting Dryad Arbor on top of your library from your graveyard
3. Resolve the Bog Glider ability from step 1, searching your library for Dryad Arbor and putting it onto the battlefield
4. When Dryad Arbor enters the battlefield, Retreat to Coralhelm triggers, untapping Bog Glider
5. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers