One of the main cons used to be that you might enable some artifact removal that otherwise was dead
Still, hes sold for just shy of $900, so theres some wiggle room
The Ward will deter opponents from interacting with Captain America initially, but there are enough ways for good players to avoid panicking just because a creature has a Ward
Mono-blue decks should lean heavily on 2-mana rocks (8-10 pieces minimum) since blue lacks natural land acceleration, with Arcane Signet, Mind Stone, Sky Diamond, and Thought Vessel forming your core
Just be sure to leave it at home if youre lacking feathery friends
When paired with a deck rife with Dragons, this great card is capable of enabling one's creatures, dealing direct damage to opponents, and even serving as removal