Guardian Slime
Effect Monster
Guardian Slime is a Effect Monster (WATER/Aqua, Level 10) with 0 ATK / 0 DEF. First printed in Legendary Duelists: Rage of Ra (2020).
- Type
- Effect Monster
- Attribute
- WATER
- Monster type
- Aqua
- Level
- 10
- ATK / DEF
- 0 / 0
- Archetype
- Egyptian God
- Banlist
- Unlimited in the TCG, OCG, and Master Duel
- TCG release
- 2020-09-24
- Printings
- 1
Card text
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.
Approximate value
≈$4.48
A rough figure from recent listings (updated 2026-06-09), not a market value or official price. It varies a lot with printing, condition, edition, rarity, and grading. Check current listings below before buying or selling.
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Printings & rarities
All printings →| Set | Set code | Rarity | Release | Price* |
|---|---|---|---|---|
| Legendary Duelists: Rage of Ra | LED7-EN003 | Ultra Rare | 2020-09-24 | $7.32 |
*Approximate, from recent marketplace listings, not market values.
Guardian Slime in other languages
| Japanese | ガーディアン・スライム |
| Korean | 가디언 슬라임 |
| German | Wächterschleim |
| French | Gardien Slime |
| Italian | Melma Guardiana |
| Spanish | Limo Guardián |
| Portuguese | Guardião Limo |
