Y'venjak - Eternal Herder

Indestructible, hexproof
As long as you don't control Goat creature tokens,
Y'venjak is not a creature.
{t}: Create X 1/1 green Goat creature tokens, where
X is the additional mana cost you paid.
{t}: Gain life equal to half of Goat tokens you
control. Y'venjak doesn't untap during your
next untap step.
I watch them grow. I watch them go.