Chaos King

When Chaos King enters the battlefield exile 3 creatures, then gain control of all creatures that
share a creature type with those creatures, when
Chaos King leaves the battlefield return the
exiled creatures to the battlefield, then all players
gain control of all permanents they own.
At the beginning of your upkeep each opponent
loses life equal to the amount of permanents that
you control but don't own
{2}{u}{r}{t} Gain control of target creature