Magar of the Magic Strings, and Savage Beating

Prerequisites

• Magar of the Magic Strings on the battlefield
• Savage Beating in the graveyard
• An opponent is unable to block and kill creatures you control
• available

Steps

1. Activate Magar by paying , noting Savage Beating and putting it face down as a 3/3 creature
2. On any other turn, deal combat damage to an opponent with the face down creature
3. The face down creature triggers, causing you to cast a copy of Savage Beating without paying its mana cost
4. Resolve the copy of Savage Beating, causing you to untap all creatures you control and to get an additional combat phase after this one
5. Repeat from step 2

Results

• Infinite combat damage
• Infinite combat phases
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite storm count
• Infinite untap of creatures you control