Charnelhoard Wurm, Borborygmos Enraged, and Agatha's Soul Cauldron

Prerequisites

• Charnelhoard Wurm on the battlefield
• Borborygmos Enraged in exile
• Agatha's Soul Cauldron on the battlefield
• You have at least one land card in hand
• Charnelhoard Wurm has at least one +1/+1 counter on it

Steps

1. Activate Charnelhoard Wurm using Borborygmos Enraged's ability by discarding a land card, dealing 3 damage to an opponent
2. Charnelhoard Wurm triggers, returning a land card from your graveyard to your hand
3. Repeat

Results

• Infinite damage
• Infinite self-discard triggers