Mesmeralda

When Mesmeralda enters the battlefield, distribute 3 string counters on creatures you don't own. Whenever a creature dies, you may untap Mesmeralda and put a string counter on a creature you don't own.
{u}{b},{t}:Gain control of target creature with a string counter till end of turn. Redirect all damage dealt to Mesmeralda this turn to that creature instead.
"I'm the one who pulls your strings!"-Mesmeralda