How can you create a combo with Sneak Attack, Intruder Alarm, Vedalken Mastermind?
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[START OF COMBO]This combo can be formed with Sneak Attack, Intruder Alarm, Vedalken Mastermind

Color identity: UR
Mana cost: 
Steps:
  1. Activate any number of creatures you control by tapping it, adding at least {U}{R}.
  2. Activate Sneak Attack by paying {R}, putting any creature card from your hand onto the battlefield.
  3. The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Activate Vedalken Mastermind by paying {U} and tapping it, returning a creature card from the battlefield to your hand.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite blinking
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mana creatures you control can produce
  - Infinite untap of creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have a creature card in hand.
  - Vedalken Mastermind do not have summoning sickness.
  - Creatures you control can tap to produce at least {U}{R}.
[END OF COMBO PREREQUISITES]
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