Raven, the Shadow Feather

When Raven, the Shadow Feather enters the battlefield, Surveil 2. (Look at the top card of your library, you may put it into yout graveyard.)
{t}: Tap target creature, target creature
stays tapped until Raven, the Shadow Feather is untapped.
"House Dimir is known for having great agents, but
this one is obsessed with information." -Nassius Ven