Glissara the Raven Queen

Reach, Menace, Vigilance
Whenever a creature is dealt noncombat damage,
put a +1/+1 counter on it. That creature is a
Spider in addition to its other types until it leaves
the battlefield.
{2}: Target creature you control fights target
creature you don't control.
{1}{b}{r}{g}: Gain control of target Spider creature
until Glissara leaves the battlefield.
"The Fey will come to regret casting me out."