Keening Stone

Card Name

Keening Stone

Mana Cost

6

Type

Artifact

Rarity

Rare

rules Text

5
, : Target player puts the top X cards of his or her library into his or her graveyard, where X is the number of cards in that player's graveyard.

Flavor Text

As it spins, dead voices shriek in an ever-increasing cacophony, rending the mind asunder.

Legal Formats

Commander, Historic, Legacy, Modern, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Pauper, Pioneer, Standard

Rulings

(6/15/2010)
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.