Ashnod's Altar [ATQ - 38]
$39.04
Choose condition
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Rarity:
U
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Creature Type or Sub Type:
Poly Artifact
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Rules Text Contains:
0: Sacrifice one of your creatures to add 2 colorless mana to your mana pool. This effect is played as an interrupt. You may not sacrifice a creature that is already on its way to the graveyard.