Regnor Chaos Mage

When Regnor Chaos Mage enters the battlefield, gain control of target creature until end of turn. It gains haste, hexproof, and trample until end of turn.
If Regnor Chaos Mage would leave the battlefield, you lose control of all creatures you do not own.
'Umrach beasts are powerful, but they know greater power when they see it.'