Grandet, the Dragon of Life

Eminence- When ever a creature enters the battlefield if Grandet,the Dragon of life is in the command zone or on the battlefield then put a
+1/+1 counter on each other creature you control
with lower power
Flying, Trample
When ever Grandet,the Dragon of life attacks creatures you control get +X/+X till end of turn
X equals to the number of creatures you control.