Dire Undercurrents + The Watcher in the Water

UB identity

Commander legal

The 2 combo pieces

• Dire Undercurrents
• The Watcher in the Water

What must be in place

You have a way to draw a card during an opponent's turn.

How to execute it

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

What the combo produces

• Infinite card draw
• Infinite draw triggers
• Near-infinite creature tokens
• Near-infinite ETB