Guardian Slime
Guardian Slime is a Effect Monster in the Egyptian God archetype, first released in 2020 in Legendary Duelists: Rage of Ra. It has 2 printings across 2 sets (Ultra Rare). The cheapest copy is MAMO-EN048 Ultra Rare at $0.32; the most valuable is LED7-EN003 Ultra Rare at $16.50. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.32 – $16.50
2 printings priced
Type
Aqua
Level
10
ATK
0
DEF
0
If you take battle or effect damage: You can Special Summon this card from your hand. During damage calculation, if this card battles an opponent's monster (Quick Effect): You can make this card gain DEF equal to that opponent's monster's ATK during that damage calculation only. If this card is sent from the hand or field to the GY: You can add 1 Spell/Trap from your Deck to your hand that specifically lists the card "The Winged Dragon of Ra" in its text. You can only use each effect of "Guardian Slime" once per turn.
Appears in 2 expansions
Printings (2)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Legendary Duelists: Rage of Ra | LED7-EN003 | Ultra Rare | $16.50 | |
| Magnificent Monsters | MAMO-EN048 | Ultra Rare | $0.32 |
Guardian Slime: FAQ
How much is Guardian Slime worth?+
Guardian Slime currently sells for $0.32 – $16.50 on TCGPlayer, from $0.32 for MAMO-EN048 up to $16.50 for LED7-EN003. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was Guardian Slime printed in?+
Guardian Slime appears in 2 sets: Legendary Duelists: Rage of Ra, Magnificent Monsters.
Is Guardian Slime legal in tournaments?+
On the current TCG Forbidden & Limited List, Guardian Slime is unlimited (3 copies).
What is the passcode of Guardian Slime?+
The 8-digit passcode printed on Guardian Slime is 15771991.
Egyptian God
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