Hvitingr, Terror of Neverfrost

Trample, Hexproof from Human Abilities.
Whenever this creature enters the battlefield,
place a Hunted counter on target creature an
opponent controls and a Hunter counter on
target creature you control.
Creatures with Hunted counters on them gain
-2/-0 and must block if able.
Creatures with Hunter counters on them gain
+2/+0 and must attack if able.