Catharis, Lord of Them

Melt 4: {4}{p/b}{p/b} (You may pay this creatures melt
cost as many times as you want when it enters the battlefield. For every time it is paid this creature deals
4 damage to any target. (You may choose a new
target every time.) Catharis, Lord of Them gets a
-1/-1 counter for every time its melt cost was paid)
Whenever a melt is used Catharis, Lord of Them
gets a +1/+1 counter. That includes this creature.