Grimgrin, Corpse-Born, Gravecrawler, Paradise Mantle, and Thornbite Staff

Prerequisites

• Grimgrin, Corpse-Born on the battlefield
• Gravecrawler on the battlefield
• Paradise Mantle on the battlefield
• Thornbite Staff on the battlefield
• Paradise Mantle and Thornbite Staff attached to Grimgrin
• Grimgrin does not have summoning sickness

Steps

1. Activate Grimgrin by tapping it to add a mana of any color
2. Activate Grimgrin, sacrificing Gravecrawler to put a +1/+1 counter on and untap Grimgrin
3. Thornbite Staff triggers
4. Holding priority, Activate Grimgrin to add
5. Resolve the Thornbite Staff trigger, untapping Grimgrin
6. Pay to cast Gravecrawler from your graveyard
7. Repeat

Results

• Infinite colored mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count