Charnelhoard Wurm, Savage Beating, and Glamdring

Prerequisites

• Charnelhoard Wurm on the battlefield
• Savage Beating in the graveyard
• Glamdring on the battlefield
• Glamdring attached to Charnelhoard Wurm
• Charnelhoard Wurm does not have summoning sickness
• An opponent cannot block Charnelhoard Wurm

Steps

1. Deal combat damage to an opponent using Charnelhoard Wurm
2. Charnelhoard Wurm and Glamdring trigger
3. Resolve the Charnelhoard Wurm trigger, returning Savage Beating from your graveyard to your hand
4. Resolve the Glamdring trigger, casting Savage Beating without paying its mana cost
5. Resolve Savage Beating, causing you to untap all creatures you control and to get an additional combat phase after this one
6. Repeat each combat phase

Results

• Infinite combat damage
• Infinite combat phases
• Infinite magecraft triggers
• Infinite storm count