Ben, Meepsheep King

This spell can't be countered.
Indestructible, protection from everything.
Ben, Meepsheep King gets +X/+X, where
X is twice the number of Sheep you control.
When Ben enters the battlefield, sacrifice all other noncreature, nonenchantment permanents you control and create that many 0/1 white Sheep creature tokens with "This creature can't attack,
block, or leave the battlefield."