Bloodvial Purveyor 98 (Innistrad: Crimson Vow)

Flying, trample Whenever an opponent casts a spell, that player creates a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.") Whenever this creature attacks, it gets +1/+0 until end of turn for each Blood token defending player controls.

NM - $1.50
LP - $1.50
MP - $1.50
HP - $1.50
DMG - $1.50