Csongi, Son of Lagak Lagason

You may exert Csongi, Son of Lagak Lagason as it attacks, when you do, double its power and toughness until the end of turn. (It won’t untap during your next untap step.)
{1}{g}: Csongi, Son of Lagak Lagason becomes a red and green Bear Barbarian with base power and
toughness 4/5 and it has trample.
Whenever a fish deals damage to Csongi, Son of Lagak Lagason sacrifice it.

My great great grandfather Lagak was there.