Eternal Witness + Thassa, Deep-Dwelling + Walk the Aeons

Mana needed: {4}{U}{U} each turn

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Walk the Aeons by paying {4}{U}{U}, getting an extra turn after this one.
  2. At the beginning of your end step, Thassa triggers, blinking Eternal Witness.
  3. Eternal Witness enters the battlefield, returning Walk the Aeons from your graveyard to your hand.
  4. Repeat.

What the combo produces