At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.
"From this day forward, we confront this world together, lifting each other up."
If you control no creatures, you do nothing as Primal Empathy's ability resolves. If there are no creatures on the battlefield at all, you don't draw a card.
17-04-2020
wotc
If the greatest power among creatures on the battlefield is shared by a creature you control and a creature you don't control, you draw a card.
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wotc
If you don't control a creature with the greatest power, you choose which creature gets a +1/+1 counter while the ability is resolving. Players can't take actions in between the time you make this choice and the time that creature has a +1/+1 counter.
17-04-2020
wotc
You determine whether you draw a card or put a +1/+1 counter only as Primal Empathy's triggered ability begins resolving. Players may respond to the ability to try to change which happens.
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.