Doubling Cube + Ring of Valkas + Urza, Prince of Kroog

Mana needed: {11}

WU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Float at least {11}.
  2. Activate Doubling Cube by paying {3} and tapping it, adding at least {8}.
  3. Activate Urza by paying {6}, creating a token copy of Doubling Cube that is a 1/1 Soldier.
  4. Activate Ring of Valkas' equip ability by paying {1}, attaching it to the Doubling Cube token.
  5. Repeat from step 2 using the Doubling Cube token instead.
  6. Once you have infinite mana, you may target any artifact you control to get infinite copies of them.

What the combo produces