Anhelo, the Painter, Talrand, Sky Summoner, Call to Mind, Mystic Retrieval, and Time Stretch

Prerequisites

• Anhelo, the Painter on the battlefield
• Talrand, Sky Summoner on the battlefield
• Call to Mind in hand
• Mystic Retrieval in the graveyard
• Time Stretch in the graveyard
• You control at least one additional creature with power two or greater
• You have not cast an instant or sorcery this turn
• , plus at most every third extra turn, and every fourth extra turn available

Steps

1. Cast Time Stretch by paying and sacrificing a creaature with power two or greater, targeting yourself
2. Time Stretch's casualty ability and Talrand trigger
3. Resolve the Time Stretch trigger, copying it, targeting yourself
4. Resolve the Talrand trigger, creating a 2/2 Drake creature token
5. Resolve both Time Stretchs, causing you to take four extra turns after this one
6. Move to your third extra turn
7. Cast Call to Mind by paying and sacrificing a creature with power 2 or greater, targeting Mystic Retrieval
8. Call to Mind's casualty ability and Talrand trigger
9. Resolve the Call to Mind trigger, copying it, targeting Time Stretch
10. Resolve the Talrand trigger, creating a 2/2 Drake creature token
11. Resolve both Call to Minds, returning Time Stretch and Mystic Retrieval from your graveyard to your hand
12. Move to your fourth extra turn
13. Repeat step 1 through 6 one additional time
14. Cast Mystic Retrieval by paying and sacrificing a Drake, targeting Call to Mind
15. Mystic Retrieval's casualty ability and Talrand trigger
16. Resolve the Mystic Retrieval trigger, copying it, targeting Time Stretch
17. Resolve the Talrand trigger, creating a 2/2 Drake creature token
18. Resolve both Mystic Retrievals, returning Time Stretch and Call to Mind from your graveyard to your hand
19. Move to your fourth extra turn
20. Repeat

Results

• Infinite turns
• Instant/Sorcery with "Return Instant/Sorcery from GY to hand"