Magar of the Magic Strings, Glorious End, and Final Fortune

Prerequisites

• Magar of the Magic Strings on the battlefield
• Glorious End in the graveyard
• Final Fortune in hand
• available

Steps

1. Cast Final Fortune by paying its mana cost, causing you to take an extra turn after this one and to lose the game at the beginning of that turn's end step
2. Activate Magar by paying , noting Final Fortune and putting it face down on the battlefield as a 3/3 creature
3. Activate Magar by paying , noting Glorious End and putting it face down on the battlefield as a 3/3 creature
4. During your next turn, deal combat damage to an opponent using the face down creatures that have Final Fortune and Glorious End noted
5. The creatures trigger
6. Resolve the first trigger, casting a copy of Final Fortune without paying its mana cost
7. Resolve the copy, causing you to take an extra turn after this one and to lose the game at the beginning of that turn's end step
8. Resolve the second trigger, casting a copy of Glorious End without paying its mana cost
9. Resolve the copy, causing you to end the turn
10. This will prevent the Final Fortune trigger from causing you to lose the game
11. Repeat from step 3

Results

• Infinite turns