Mizzium Meddler

Flash (You may cast this spell any time you could
cast an instant.)
When Mizzium Meddler enters the battlefield,
you may change a target of target spell or ability
to Mizzium Meddler.
"Hi there! Uh-oh." Last words of Vizzerix,
Mizzium Meddler. Upon discovering a House
Drimir agent in his facility.