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.
NM-Mint - $0.20
Lightly Played - $0.20
Moderately Played - $0.20
Heavily Played - $0.20
Damaged - $0.10
NM-Mint Non English - $0.20
Lightly Played Non English - $0.20
Moderately Played Non English - $0.20
Heavily Played Non English - $0.20
Damaged Non English - $0.10