Verdant, Keeper of the Wild

Flash, Haste, Flying, Trample
{x} must be above {4}. When Verdant, Keeper of
the Wild enters the battlefield, all opponents lose
X life. Put X +1/+1 counters on all green or
partly green creatures you control. Gain X life.
Avenge (Whenever a green or partly green creature
you control dies, deal damage equal to its combined
power and toughness to each opponent and creature
you don't control).