Catra, Acolyte of the Light

When Catra, Acolyte of the Light enters the
battlefield, exchange control of it and target
creature with mana value 3 or less an opponent
controls.
{t}: Catra fights target creature.
If Catra would be destroyed by damage, if it's not
red, instead remove all damage from it. Catra's
owner gains control of it and loses life equal to
the damage removed this way. Catra becomes red.
"My place is with Horde Prime, Adora. I don't want
to leave."