Luminary Cynx

Defect 4 (This creature enters the battlefield with four loyalty counters on it. When the last loyalty counter is removed, target opponent gains control of this creature.)
Whenever an opponent casts a creature spell, it gains defect 1.
{3}{u/r}{u/r}, {t}, Remove X loyalty counters from Luminary Cynx: Remove a loyalty counter from
up to X target permanents.