Ninetales

When Ninetales enters the battlefield, you may
return up to 3 Basic Mountains from your
Graveyard to your hand.
{2}{r}{t}: gain control of target creature for as long
as Ninetales is tapped. At the end of your turn,
pay {r} or untap Ninetales.
{1}{r}{r}: target creature in combat fights another
target attacking or blocking creature.
Ninetale's toughness is equal to the number of Mountains in your Graveyard.
Mutate {3}{p/c}{r}{r}