Magar of the Magic Strings, Warrior's Oath, and Stunning Reversal

Prerequisites

• Magar of the Magic Strings on the battlefield
• Warrior's Oath in hand
• Stunning Reversal in the graveyard
• An opponent is unable to block and kill creatures you control
• available

Steps

1. Cast Warrior's Oath by paying , causing you to take an extra turn after this one
2. Activate Magar by paying , noting Warrior's Oath and putting it face down as a 3/3 creature
3. Activate Magar by paying , noting Stunning Reversal and putting it face down as a 3/3 creature
4. Move to your next turn
5. Deal combat damage to an opponent with both face down creatures, triggering their abilities
6. Resolve the first trigger, causing you to cast a copy of Warrior's Oath without paying its mana cost
7. Resolve the copy of Warrior's Oath, causing you to take an extra turn after this one
8. Resolve the second trigger, causing you to cast a copy of Stunning Reversal without paying its mana cost
9. Resolve the copy of Stunning Reversal
10. At the beginning of your end step, Warrior's Oath triggers, causing your life total to become one and you to draw seven cards due to Stunning Reversal
11. Repeat from step 4

Results

• Infinite turns