Phantom Steed + Time Walk + Greenwarden of Murasa

Phantom Steed

Time Walk

Greenwarden of Murasa

How it works

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