the front side of Reins of Power
the back of a classic MtG card
the front side of Mindslaver
the back of a classic MtG card
the front side of Dual Casting
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Reins of Power in hand.
  2.  Mindslaver and Dual Casting on the battlefield.

Notable Prerequisites

  1. Dual Casting attached to a creature that does not have summoning sickness.
  2. Creatures you control can tap to produce at least one red mana.

Mana Needed

  1. six generic manaone blue manaone blue mana available.

Steps

  1. Activate Mindslaver by paying four generic mana and tapping it, causing you to gain control of an opponent during their next turn.
  2. During the opponent's turn, cast Reins of Power by paying two generic manaone blue manaone blue mana, targeting the opponent you have control of.
  3. Holding priority, activate all mana-producing creatures you control by tapping them, adding at least one red mana.
  4. Activate the creature with Dual Casting attached by paying one red mana and tapping it, copying Reins of Power.
  5. Resolve the copy of Reins of Power, untapping all creatures you and the opponent control, and exchanging control of those creatures.
  6. As the opponent, activate all mana-producing creatures you control by tapping them, adding at least one red mana.
  7. Activate the creature with Dual Casting attached by paying one red mana and tapping it, copying Reins of Power.
  8. Resolve the copy of Reins of Power, untapping all creatures you and the opponent control, and exchanging control of those creatures.
  9. Repeat from step 3.
  10. If creatures you control can tap to produce at least one generic manaone red mana, you may choose to have yourself and/or the opponent you have control of to gain infinite mana.

Results

  1. Infinite magecraft triggers.
  2. Infinite mana creatures you control can produce.
  3. Infinite mana creatures you control can produce for target opponent.
  4. Infinite untap of creatures you control.
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