Charnelhoard Wurm, Benefactor's Draught, and Viridian Longbow

Prerequisites

• Charnelhoard Wurm on the battlefield
• Benefactor's Draught in the graveyard
• Viridian Longbow on the battlefield
• Charnelhoard Wurm does not have summoning sickness
• Viridian Longbow attached to Charnelhoard Wurm
• Creatures you control can tap to produce at least

Steps

1. Activate all mana-producing creatures you control by tapping them, adding at least
2. Activate Charnelhoard Wurm by tapping it, dealing 1 damage to an opponent
3. Charnelhoard Wurm triggers, returning Benefactor's Draught to your hand from your graveyard
4. Cast Benefactor's Draught by paying , untapping all creatures you control and causing you to draw a card
5. Repeat
6. If creatures you control can tap to produce at least , this combo will net near-infinite mana

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite damage
• Near-infinite magecraft triggers
• Near-infinite mana creatures you control can produce
• Near-infinite storm count
• Near-infinite untap of creatures you control