Patron of the Moon + Boros Garrison + The Wandering Minstrel

Patron of the Moon

Boros Garrison

The Wandering Minstrel

How it works

1. Pay 1 to activate Patron of the Moon, putting Boros Garrison from your hand onto the battlefield untapped due to The Wandering Minstrel.
2. When Boros Garrison enters, it triggers.
3. Activate Boros Garrison by tapping it, adding two mana.
4. Resolve Boros Garrison's triggered ability, returning it from the battlefield to your hand.
5. Repeat.