Altar of Dementia + Dryad Arbor + Hedge Shredder + Mortuary

BG identity

Commander legal

The 4 combo pieces

• Altar of Dementia
• Dryad Arbor
• Hedge Shredder
• Mortuary

How to execute it

1. Activate Altar of Dementia by sacrificing Dryad Arbor.
2. When Dryad Arbor dies, Mortuary triggers, putting Dryad Arbor from your graveyard onto the top of your library.
3. Resolve the Altar of Dementia ability, causing you to mill Dryad Arbor.
4. Hedge Shredder's second ability triggers, returning Dryad Arbor from your graveyard to the battlefield tapped.
5. Repeat.

What the combo produces

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