Hypnotic Stare

Attach this enchantment to a creature you
control. {t} Place a slave counter on target
creature. Gain control of all creatures with
a slave counter on them until enchanted
creature leaves the field.
When this enchantment leaves the field,
all creatures with a slave counter get a
+1/+1 counter instead.
"Come to me, girl of the fluffy pink hair"
-Ran Eleanor, Kathom Witch.