Vance's Blasting Cannons // Spitfire Bastion

At the beginning of your upkeep, exile the top card of your library. If it's a nonland card, you may cast that card this turn.
Whenever you cast your third spell in a turn, you may transform Vance's Blasting Cannons.---------
(Transforms from Vance's Blasting Cannons.)
: Add .
, : Spitfire Bastion deals 3 damage to any target.