Glass-Cast Heart

Condition: Near Mint
Color: Black
Card Text: Whenever one or more Vampires you control attack, create a Blood token. (It’s an artifact with “{1}, {T}, Discard a card, Sacrifice this token: Draw a card.”)
{B}, {T}, Pay 1 life: Create a 1/1 white and black Vampire creature token with lifelink.
{B}{B}, {T}, Sacrifice this artifact and thirteen Blood tokens: Each opponent loses 13 life and you gain 13 life.
Rarity: R
Cost: 2B
Card Type: Artifact
Artist: Alayna Danner
Name: Glass-Cast Heart
Finish: Regular
Card Number: 0199 
Set Name: The Lost Caverns of Ixalan Commander