River Song + Transplant Theorist + Walk the Aeons

Mana needed: {6}{U}{U} each turn

UR identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Walk the Aeons by paying {4}{U}{U}, causing you to take an extra turn after this one.
  2. Activate Transplant Theorist by paying {2}, causing you to put Walk the Aeons on the bottom of your library from your graveyard.
  3. Move to your next turn, drawing Walk the Aeons from the bottom of your library due to River Song during your draw step.
  4. Repeat.

What the combo produces