Gorph, Nature's Wrath

Gorph, Nature's Wrath gets +5/+5 and has
trample as long as you have 10 or more life than
each opponent.
When this creature transforms into Gorph,
Nature's Wrath, it deals damage equal to it's
power to each creature you don't control.
At the beginning of your upkeep, you may pay {1}{g}{w}. If you do, transform Gorph, Nature's
Wrath.