Keening Stone
Price
Artifact
Keening Stone
Mana
Oracle text
{5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard.
Commander : legalModern : legalPioneer : not legalStandard : not legalLegacy : legalVintage : legalPauper : not legal
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€0.19ROE · Rise of the Eldrazi #219Cheapest tournament-legal
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Official rulings (1) · Scryfall
2010-06-15
The value of X is determined as the ability starts to resolve. If the targeted player has five cards in their graveyard at that time, for example, this ability will put five more cards into that graveyard from the top of that player's library.