Great Oak Guardian + Sneak Attack + Vedalken Mastermind

GUR identity

Commander legal

The 3 combo pieces

What must be in place

Creatures you control can tap to produce at least {1}{U}{R}.
Vedalkan Mastermind does not have summoning sickness.

How to execute it

  1. Activate all mana producing creatures you control by tapping them, adding at least {1}{U}{R}.
  2. Activate Sneak Attack by paying {R}, putting Great Oak Guardian from your hand onto the battlefield.
  3. Great Oak Guardian enters the battlefield, untapping all creatures you control and giving them +2/+2 until end of turn.
  4. Activate Vedalken Mastermind by paying {U} and tapping it, returning Great Oak Guardian from the battlefield to your hand.
  5. Repeat.

What the combo produces