Whenever one or more Vampires you control attack, create a Blood token. (It's an artifact with "1, T, Discard a card, Sacrifice this artifact: Draw a card.")
B, T, Pay 1 life: Create a 1/1 white and black Vampire creature token with lifelink.
BB, T, Sacrifice Glass-Cast Heart and thirteen Blood tokens: Each opponent loses 13 life and you gain 13 life.
Near Mint - £0.30
Lightly Played - £0.20
Moderately Played - £0.20
Heavily Played - £0.10
Damaged - £0.10
Near Mint Non English - £0.30
Lightly Played Non English - £0.20
Moderately Played Non English - £0.20
Heavily Played Non English - £0.10
Damaged Non English - £0.10