Lich Yard Catacombs

Lich Yard Catacombs enters the battlefield
tapped.
{t}: Add {u} or {b}
{1}, {t}, Sacrifice Lich Yard Catacombs: Create
two colorless Treasure artifact tokens with
"{t}, Sacrifice this artifact: Add one mana of any
color."
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There's more buried here than just bones and
memories.