How can you create a combo with Dualcaster Mage, Blue Sun's Twilight?
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[START OF COMBO]This combo can be formed with Dualcaster Mage, Blue Sun's Twilight

Color identity: UR
Mana cost: {6}{U}{U}{R}{R}
Steps:
  1. Cast Blue Sun's Twilight by paying {5}{U}{U}, targeting any creature with mana value five or less.
  2. Holding priority, cast Dualcaster Mage by paying {1}{R}{R}.
  3. Dualcaster Mage enters the battlefield, creating a copy of Blue Sun's Twilight, targeting Dualcaster Mage.
  4. Resolve the copy of Blue Sun's Twilight, creating a token copy of Dualcaster Mage.
  5. The Dualcaster Mage token enters the battlefield, creating a copy of Blue Sun's Twilight, targeting Dualcaster Mage.
  6. Repeat from step 4.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite magecraft triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be in your hand
  - A player controls a creature with mana value five or less.
[END OF COMBO PREREQUISITES]
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