Phantom Steed + Capture of Jingzhou + Mnemonic Wall

Phantom Steed

Capture of Jingzhou

Mnemonic Wall

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 Mnemonic Wall that is tapped and attacking.
4. Mnemonic Wall enters, returning Capture of Jingzhou from your graveyard to your hand.
5. Pass the turn.
6. Repeat.