Ashnod's Altar + River Kelpie + Spark Double

U identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Ashnod's Altar by sacrificing Spark Double, adding {C}{C}.
  2. When Spark Double dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. As Spark Double enters the battlefield, choose to have it enter the battlefield as a copy of River Kelpie with a +1/+1 counter on it.
  4. When Spark Double enters the battlefield, it and River Kelpie's first abilities trigger.
  5. Resolve both triggers, causing you to draw two cards.
  6. Repeat.

What the combo produces