Critical Bio-Revisionist

{t}: Until end of turn target creature with power 4 or higher has base power and toughness 0/2 and gains evolve. (Whenever a creature enters the battlefield under its controller's control, if it has greater power or toughness than it, put a +1/+1 counter on it.)
{u}{g}: Target creature gets +2/+2 until end of turn. Activate this ability only once each turn.
"You can't truly build something up without tearing it down