Ashnod's Altar + Capture of Jingzhou + Eternal Witness + Kenrith, the Returned King

Mana needed: {5}{U}{U}{B} each turn

WUBRG identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Ashnod's Altar by sacrificing Eternal Witness, adding {C}{C}.
  2. Activate Kenrith's last ability by paying {4}{B}, returning Eternal Witness from your graveyard to the battlefield.
  3. Eternal Witness enters the battlefield, returning Capture of Jingzhou from your graveyard to your hand.
  4. Cast Capture of Jingzhou by paying {3}{U}{U}, causing you to take an extra turn after this one.
  5. Repeat.

What the combo produces