Drowner of Secrets

Creature - Merfolk Wizard 1/3, 2U (3)
Tap an untapped Merfolk you control: Target player puts the top card of his or her library into his or her graveyard.
Merrows consider themselves the keepers of Lorwyn's past—and consider it their duty to edit when necessary.
Illus. Rebecca Guay

Gatherer Card Rulings [Nov 2009]

• 10/1/2008: You can tap any permanent with the Merfolk creature type to pay for the ability, including noncreature tribal permanents such as Merrow Commerce.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/10)	Lorwyn (Uncommon)