Seeker

Haste

{2}{u}{t}: Exile Seeker. Scry 1. You may return it to the battlefield on any of your upkeep steps.

{t}: Tap target non-artifact creature. During your end step, you may choose to continue or disengage this attack. If you continue, the creature gains a Strangle Counter, and both this card and the creature remain tapped. If you disengage or this card leaves the battlefield, the creature takes damage equal to its Strangle Counters.