Sarph, Temur's Descendant

Berserk (you may pay {g/u}{r/g} whenever you cast a
Human creature spell. That creature will enter tapped
and will deals damage equal to half of it its power
rounded up to target creature. If the target creature
was a dragon it damage is doubled instead of halved.)

Sarph, Temur's Descendant 's power is equal to the number of non-token creatures you control.
Other humans you control gain reach