Card: Lurking Informant
Casting Cost: 1(U/B)
Color: Blue
Type: Creature - Human Rogue
P/T: (1/2)
Rules Text: ({(u/b)} can be paid with either {U} or {B}.) {2}, {T}: Look at the top card of target player's library. You may put that card into that player's graveyard.

SetRarity
Ravnica: City of GuildsCommon