at the beginning of your end step, target opponent gains control of up to one target creature you control. put two +1/+1 counters on it and tap it. it's goaded for the rest of the game and it gains "this creature can't be sacrificed." (it attacks each combat if able and attacks a player other than you if able.)
whenever a creature you own but don't control attacks, you draw a card.
"You are safest in Candlekeep, Abdel, but I cannot keep you from the world forever."