Pick Your Poison is a rare Sorcery card from Mystery Booster Playtest Cards 2019 (CMB1), collector number 97. Current market price: $0.70, TCGplayer market prices via Scryfall.
Choose any number of modes that total exactly 4. You may choose the same mode more than once. [1] Put a +1/+1 counter on target creature. [2] Create a 1/1 black Snake creature token with deathtouch. [4] All creatures get -2/-2 until end of turn.