Fear of the Unknown [Unknown Event] Jellyfish put a slime counter on

put a slime counter on each creature you don't control

Set: Streets of New Capenna Commander Type: Legendary Creature — Human Warrior Rarity: Rare Cost: {2}{R}{G} Whenever a player attacks one or more of your opponents

they create a token copy of this except it lacks this ability

Set: Portal Three Kingdoms Type: Sorcery Rarity: Common Cost: {3}{W} Return target creature card from your graveyard to the battlefield

Fear of the Unknown [Unknown Event] Jellyfish put a slime counter onSet: Unknown Event Type: Enchantment Creature Nightmare Rarity: Rare Cost: {6} Trample When you cast this spell, choose a playtest card you own from outside the game. Exile it. You may cast that card as long as it remains exiled. Mana of any type can be spent to cast that spell. (In a sealed event, outside the game is your sideboard.)