Malfestio

Flying
{2}{g}, {t}: Tap target creature an opponent
controls. Target creature doesn't untap during its controller's next untap step.
A bird wyvern which is most at home in the dark. It catches prey with its wings and talons. Its pivoting
neck is characteristic, and it's worth a look to see it
turned completely around to look behind itself. Scales
in its wings can scatter a pollen that can cause confuse
its foes.