Boommobile + The Prydwen, Steel Flagship + Emiel the Blessed

Boommobile

The Prydwen, Steel Flagship

Emiel the Blessed

How it works

1. Activate Boommobile's crew ability by tapping Emiel, causing Boommobile to become an artifact creature until end of turn.
2. Activate Emiel by paying 3, blinking Boommobile.
3. When Boommobile enters the battlefield, it and The Prydwen trigger.
4. Resolve the Prydwen trigger, creating a 2/2 Human Knight creature token.
5. Resolve the Boommobile trigger, adding four mana of any color that can only be spent to activate abilities.
6. Activate Boommobile's crew ability by tapping the Human Knight, causing Boommobile to become an artifact creature until end of turn.
7. Repeat from step 2.