How can you create a combo with Dual Casting, Psychic Puppetry, Desperate Ritual?
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[START OF COMBO]This combo can be formed with Dual Casting, Psychic Puppetry, Desperate Ritual

Color identity: UR
Mana cost: {1}{U}{R}{R}
Steps:
  1. Cast Desperate Ritual by paying {1}{R}.
  2. As you cast Desperate Ritual, reveal Psychic Puppetry from your hand and pay {U} to add its effects to Desperate Ritual.
  3. Holding priority, activate the creature with Dual Casting attached by paying {R} and tapping it, copying Desperate Ritual, with the copy also having the effects of Psychic Puppetry.
  4. Resolve the Desperate Ritual copy, untapping the creature with Dual Casting attached and adding {R}{R}{R}.
  5. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite magecraft triggers
  - Infinite red mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Dual Casting must be on the battlefield
  - Psychic Puppetry must be in your hand
  - Desperate Ritual must be in your hand
  - Dual Casting attached to a creature you control that does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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