Each player sacrifices a creature or planeswalker of their choice. If you sacrificed a permanent this way, you may return another permanent card from your graveyard to your hand.
No one ever asked what was in Dina's concoctions, so long as they worked.
You choose which permanent card you're returning to your hand, if any, as Deadly Brew resolves, after permanents are sacrificed.
16-04-2021
wotc
You cannot return the same permanent card that you sacrificed.
16-04-2021
wotc
If you cast Deadly Brew and control any creatures or planeswalkers as it resolves, you must sacrifice one of them.
16-04-2021
wotc
First the active player chooses which creature or planeswalker they'll sacrifice, then each other player in turn order does the same, knowing choices made before their choice. Then all those permanents are sacrificed simultaneously.
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.