How can you create a combo with Time Warp, Call to Mind, Mystic Retrieval, Swarm Intelligence?
user
[START OF COMBO]This combo can be formed with Time Warp, Call to Mind, Mystic Retrieval, Swarm Intelligence

Color identity: UR
Mana cost: {3}{U}{U} on each odd-numbered turn, with at most {3}{U} available each even-numbered turn
Steps:
  1. Cast Time Warp by paying {3}{U}{U}, targeting yourself.
  2. Swarm Intelligence triggers, copying Time Warp, targeting yourself.
  3. Resolve both Time Warps, causing you to take two extra turns after this one.
  4. Move to your next turn.
  5. Cast etiher Mystic Retrieval or Call to Mind by paying its mana cost, targeting either Call to Mind or Mystic Retrieval in your graveyard.
  6. Swarm Intelligence triggers, copying Call to Mind or Mystic Retrieval, targeting Time Warp.
  7. Resolve both Call to Minds or Mystic Retrievals, returning Time Warp and either Call to Mind or Mystic Retrieval from your graveyard to your hand.
  8. Move to your next turn.
  9. 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:
  - Time Warp must be in your hand
  - Call to Mind must be in your hand
  - Mystic Retrieval must be in the graveyard
  - Swarm Intelligence must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant