Phantom Steed + Time Walk + Salvager of Secrets

Phantom Steed

Time Walk

Salvager of Secrets

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 Salvager of Secrets that is tapped and attacking.
4. Salvager of Secrets enters, returning Time Walk from your graveyard to your hand.
5. Pass the turn.
6. Repeat.