How can you create a combo with League Guildmage, Dramatic Reversal?
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[START OF COMBO]This combo can be formed with League Guildmage, Dramatic Reversal

Color identity: UR
Mana cost: {3}{U}{R}
Steps:
  1. Pay {1} {U} to cast Dramatic Reversal.
  2. Pay {2}{R} to activate League Guildmage to make a copy of Dramatic Reversal.
  3. Untap all of your nonland permanents.
  4. Tap your nonland permanents to produce {3}{R}.[END OF COMBO STEPS]

Result:
  - Infinite colored mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - League Guildmage must be on the battlefield
  - Dramatic Reversal must be in your hand
  - One or more nonland permanents able to produce {3}{R}.
[END OF COMBO PREREQUISITES]
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