Fay Ray, Scream Queen

At the beginning of your upkeep, you may sacrifice another creature, if you do, draw a card.
At the beginning of your end step, target opponent loses 2 life and gains control of Fay Wray.
{1}{w}{b}: Each opponent takes 1 damage. You gain 1 life. You may sacrifice a creature,
if you do, draw 1 card. Any player may activate this ability but only once a turn