Emiel the Blessed [Jumpstart 2022] Dinosaur Cat Nightmare and keep Slifer the Sky

and keep Slifer the Sky Dragon strong without forgoing your ability to play your cards

Set: Collectors' Edition Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

Set: Sun & Moon: Base Set Type: Basic Metal Energy Rarity: Secret Rare

Set: Classic Sixth Edition Type: Creature — Goblin Rarity: Rare Cost: {1}{R}{R} Other Goblins get +1/+1 and have mountainwalk

Are you becoming your parents

Emiel the Blessed [Jumpstart 2022] Dinosaur Cat Nightmare and keep Slifer the SkySet: Jumpstart 2022 Type: Legendary Creature Unicorn Rarity: Mythic Cost: {2}{W}{W} {3}: Exile another target creature you control, then return it to the battlefield under its owner's control. Whenever another creature enters the battlefield under your control, you may pay {G W}. If you do, put a +1 +1 counter on it. If it's a Unicorn, put two +1 +1 counters on it instead. ({G W} can be paid with either {G} or {W}.)