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Kill Switch

Card Name

Kill Switch

Mana Cost

3

Type

Artifact

Rarity

Rare

rules Text

2
, : Tap all other artifacts. They don't untap during their controllers' untap steps for as long as this artifact remains tapped.

Flavor Text

Success is largely a matter of knowing which lever to pull.

Legal Formats

Commander, Legacy, Vintage

Not Legal Formats

Alchemy, Brawl, Explorer, Historic, Modern, Pauper, Pioneer, Standard

Rulings

(10/4/2004)
Note that you can't choose to leave this card tapped during your untap step (unless some other effect says so).
(10/4/2004)
Only the artifacts that it tried to tap when the ability resolved are prevented from untapping. Artifacts that enter after that or permanents that become artifacts after that are not affected.