Mangled Companion

Mangled Companion enters the battlefield with
three +1/+1 counters on it.
{t}: Add {c}. When that mana is spent to cast a creature spell, you may move any number of
counters from Mangled Companion onto that creature.
"Oh, you silly man. Do not cry! Take my metal, and
make me into something new. Never forget me, and
I shall never forget you."