Duskveil Cairn

Duskveil Cairn enters tapped with two depletion counters on it.

{t}, Remove a depletion counter from Duskveil Cairn: Add {w}{b} If there are no depletion counters on Duskveil Cairn, sacrifice it.
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Each came and took and took some more.
How soon greed turns the plenty poor.