Silva Draco

Can not be countered, Flash, Flying, Lifelink
Silva Draco enters the battlefield with X +1/+1 counters on it.
If Silva Draco has ten or more +1/+1 counters
on it, it has Trample.
{2}{g}{g}: Put X +1/+1 counters on Silva Draco, where X is its power. Until end of turn, it
gains Hexproof.