Cloudstone Curio + Miirym, Sentinel Wyrm + Phyrexian Altar + Sneak Attack

Mana needed: {R}

GUR identity

Commander legal

The 4 combo pieces

What must be in place

You have a nonartifact Dragon creature card in hand.

How to execute it

  1. Activate Sneak Attack by paying {R}, putting any Dragon from your hand onto the battlefield.
  2. The Dragon enters the battlefield, triggering Cloudstone Curio and Miirym.
  3. Resolve the Cloudstone Curio trigger, choosing not to return anything to your hand from the battlefield.
  4. Resolve the Miirym trigger, creating a token copy of the Dragon.
  5. The token Dragon enters the battlefield, triggering Cloudstone Curio, returning the nontoken Dragon from the battlefield to your hand.
  6. Activate Phyrexian Altar by sacrificing the Dragon token, adding {R}.
  7. Repeat.

What the combo produces