Karn, the Great Creator + Gonti's Aether Heart + Piper Wright, Publick Reporter + Teferi's Talent

Prerequisites

• Piper has power 3 or greater, does not have summoning sickness, and cannot be blocked by an opponent.
• Karn has three or more loyalty counters on it.
• Teferi's Talent attached to Karn.

Steps

1. 1Cast Gonti's Aether Heart by paying .
2. 2When Gonti's Aether Heart enters the battlefield, it triggers, causing you to get .
3. 3Deal combat damage to an opponent using Piper.
4. 4Piper triggers, creating at least three Clue tokens.
5. 5When the Clues enter the battlefield, Gonti's Aether Heart triggers that many times, causing you to get for each Clue.
6. 6Activate Gonti's Aether Heart by paying eight and exiling it, causing you to take an extra turn after this one.
7. 7Activate Karn's second loyalty ability by removing two loyalty counters from it, putting Gonti's Aether Heart from exile into your hand.
8. 8Activate a Clue by paying and sacrificing it.
9. 9Piper triggers, putting a +1/+1 counter on a creature you control.
10. 10Resolve the Clue ability, causing you to draw a card.
11. 11Teferi's Talent triggers, putting a loyalty counter on Karn.
12. 12Move to your next turn.
13. 13During your draw step, you will draw a card. When you do, Teferi's Talent triggers, putting a loyalty counter on Karn.
14. 14Repeat.

Effects

• Infinite turns
• Lock