Vances Blasting Cannons

“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. <br> Whenever you cast your third spell in a turn, you may transform Vance's Blasting Cannons. <br>//<br> <strong>Spitfire Bastion</strong> <br> <em>(Transforms from Vance's Blasting Cannons.)</em> <br> T: Add R to your mana pool. <br> 2R, T: Spitfire Bastion deals 3 damage to target creature or player.”