How can you create a combo with Anhelo, the Painter, Talrand, Sky Summoner, Call to Mind, Mystic Retrieval, Time Stretch?
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[START OF COMBO]This combo can be formed with Anhelo, the Painter, Talrand, Sky Summoner, Call to Mind, Mystic Retrieval, Time Stretch

Color identity: UBR
Mana cost: {8}{U}{U}, plus at most {3}{U} every third extra turn, and {8}{U}{U} every fourth extra turn
Steps:
  1. Cast Time Stretch by paying {8}{U}{U} 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 {2}{U} 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 {3}{U} 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.[END OF COMBO STEPS]

Result:
  - Infinite turns
  - Instant/Sorcery with "Return Instant/Sorcery from GY to hand"[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Anhelo, the Painter must be on the battlefield
  - Talrand, Sky Summoner must be on the battlefield
  - Call to Mind must be in your hand
  - Mystic Retrieval must be in the graveyard
  - Time Stretch must be 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.
[END OF COMBO PREREQUISITES]
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