Denied!

Interrupt, U (1)
Play Denied! only as any opponent casts target spell. Name a card, then look at all cards in that player's hand. If the named card is in the player's hand, counter target spell.
"Don't worry about it. It happens to every mage sooner or later."
Illus. Quinton Hoover

Format Legality	Banned in Vintage, Legacy, Extended, Standard
Printings (1/1)	Unglued (Common)