Phantom Steed + Capture of Jingzhou + Eternal Witness

Phantom Steed

Capture of Jingzhou

Eternal Witness

How it works

1. Cast Capture of Jingzhou, taking an extra turn after this one.
2. Attack with Phantom Steed.
3. Phantom Steed triggers, creating a token copy of Eternal Witness that is tapped and attacking.
4. Eternal Witness enters, returning Capture of Jingzhou from your graveyard to your hand.
5. Pass the turn.
6. Repeat.