Twisted Thorn-Maiden

{2}{b}: Move a +1/+1 counter from each other creature onto Twisted Thorn-Maiden.
{1}{g}: Target creature an opponent controls blocks Twisted Thorn-Maiden if able this turn.
When Twisted Thorn-Maiden dies, return it to the battlefield under its owner's control at the beginning of his or her next upkeep.
"My Domain, my property, my kill. The Raven flies closer, dear traveller."