The creature's power as it last existed on the battlefield is the amount of life you gain and the number of cards you draw.
07-08-2020
wotc
If you control at least one other creature when the ability resolves, you must sacrifice one. If you don't control any other creatures at that time, the ability won't do anything.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.