Bastion Inventor
Bastion Inventor {5}{U}
Creature - Vedalken Artificer | Power/Toughness: 4 / 4
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Latest set: [AER] Aether Revolt ( C · #30 )