Kindred Discovery + The Watcher in the Water

U identity

Commander legal

The 2 combo pieces

What must be in place

You have a way to draw a card during an opponent's turn.
"Tentacle" chosen with Kindred Discovery.

How to execute it

  1. Draw a card during an opponent's turn.
  2. The Watcher's first ability triggers, creating a 1/1 Tentacle creature token.
  3. When the Tentacle enters the battlefield, Kindred Discovery triggers, causing you to draw a card.
  4. Repeat from step 2.

What the combo produces