Egyptian God Slime

Level 10 WATER/Aqua Fusion Effect
3000 ATK / 3000 DEF

1 Aqua monster + 1 Level 10 WATER monster
Must first be either Fusion Summoned, or Special Summoned from your Extra Deck by Tributing 1 Level 10 Aqua monster with 0 ATK. This card can be treated as 1 or 3 Tributes for the Tribute Summon of a monster. Cannot be destroyed by battle. Your opponent's monsters cannot target for attacks, and your opponent cannot target with card effects, any monsters you control, except "Egyptian God Slime".

Rulings – Yugipedia

Printings:

Legendary Duelists: Rage of Ra: LED7-EN001 (Ultra Rare) - 2020-09-24
25th Anniversary Rarity Collection: RA01-EN029 (Super Rare) - 2023-11-02
25th Anniversary Rarity Collection: RA01-EN029 (Ultra Rare) - 2023-11-02

Prices:

Cardmarket: 0.41 €
TCGplayer: $ 0.30