Bloodvial Purveyor [Innistrad: Crimson Vow]

Set: Innistrad: Crimson Vow Type: Creature — Vampire Rarity: Rare Cost: {2}{B}{B} 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 artifact: Draw a card.”) Whenever Bloodvial Purveyor attacks, it gets +1/+0 until end of turn for each Blood token defending player controls.