Remy, The Tap-Dancing Dog

Shroud
{t}: Tap or untap target permanent.
{x}{w/u}{w/u}: Untap Remy, The Tap-Dancing Dog.
X is equal to the number of times this card has
been tapped this turn.
"He taps for treats, he taps for walks, he taps when
he needs to pee and if he gets excited he even taps
for me."