Gillian, Sern's Sorrow

Flying, Flash
Spells and abilities your opponents control that
target Gillian, Sern's Sorrow are countered unless
their owner pays {4}.
{u}{u}{t}: Tap target creature. It doesn't untap
during it's controller's untap step as long as
Gillian, Sern's sorrow is on the battlefield.
"He will know the pain he caused me. I will make
sure of it."