Llanowar Scout + Orzhov Basilica + Elven Raft-Steerer

Llanowar Scout

Orzhov Basilica

Elven Raft-Steerer

How it works

1. Activate Llanowar Scout by tapping it, putting Orzhov Basilica from your hand onto the battlefield.
2. When Orzhov Basilica enters the battlefield, it and Elven Raft-Steerer trigger.
3. Resolve the Orzhov Basilica trigger, returning itself from the battlefield to your hand.
4. Resolve the Elven Raft-Steerer trigger, untapping Llanowar Scout.
5. Repeat.