Merrow Witsniper

Creature - Merfolk Rogue 1/1, U (1)
When Merrow Witsniper enters the battlefield, target player puts the top card of his or her library into his or her graveyard.¹
"The world above the waterline must be monitored—and, when necessary, adjusted."
Illus. Steve Prescott

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/10)	Morningtide (Common)