YGOPrices · Cards · Guardian Slime

Guardian Slime

Attribute: WaterWaterEffectAqua·Unlimited

ATK0DEF0Level10

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.

ArchetypeEgyptian God

+ Add to Collection ☆ Watch + Add to Deck Find on eBay^*

Retail market · this card family

Range across every indexed printing. Currency is never converted.

TCGPlayer prices are temporarily stale. Last source update: 11 Sept.

USD retail range

$0to$17USD

4 printings · 1 rarities

Editions in this family

1st EditionUnlimited / Unspecified

Select a specific printing below for per-printing pricing.

Graded market · edition / variant unspecified

These graded observations apply to the wider Guardian Slime card family. The source data does not identify which physical edition / finish / language the slabs came from - they are shown here for context and never attributed to a specific printing.

PSA10

37USD

vol 280

BGS10

48USD

vol 280

CGC10

22USD

vol 280

SGC10

22USD

vol 280

ANY9.5

9USD

vol 280

ANY9

8USD

vol 280

ANY8

7.23USD

vol 280

ANY7

1.48USD

vol 280

Graded price history · card family

Card-scoped attribution - not tied to any specific printing.

Snapshot depth: 19 distinct days

Series

Raw (USD)$14.5+1221.8%Grade 9.5 · any (USD)$40+344.4%

Available: 2026-09-21 to 2026-10-18.

All printings (4)

Every distinct set × rarity × edition combination. Click a set to open that printing’s page with its own pricing.

Set	Card #	Rarity	Edition	Finish / lang	USD	EUR
Magnificent Monsters2026	MAMO-EN048	Ultra Rare	1st Edition	EN	$0.4	€0.4
Legendary Duelists: Rage of Ra2020	LED7-EN003	Ultra Rare	1st Edition	EN	$15.17	€15.17
Magnificent Monsters2026	MAMO-EN048	Ultra Rare	Unlimited / Unspecified	nonfoil · EN	$0.29	€0.29
Legendary Duelists: Rage of Ra2020	LED7-EN003	Ultra Rare	Unlimited / Unspecified	nonfoil · EN	$17.27	€3.05

Magnificent MonstersMAMO-EN048·2026Ultra Rare1st Edition·EN
$0.4€0.4
Legendary Duelists: Rage of RaLED7-EN003·2020Ultra Rare1st Edition·EN
$15.17€15.17
Magnificent MonstersMAMO-EN048·2026Ultra RareUnlimited / Unspecified·nonfoil · EN
$0.29€0.29
Legendary Duelists: Rage of RaLED7-EN003·2020Ultra RareUnlimited / Unspecified·nonfoil · EN
$17.27€3.05

Ask YGOPrices

Grounded answers about Guardian Slime

Answers cite this card's live database facts. Printings, rarity, edition, ATK/DEF, archetype, current prices and Forbidden & Limited status where recorded. YGOPrices AI does not invent card details.

FAQ

About Guardian Slime

How many printings of Guardian Slime are there?

We currently track 4 printings of Guardian Slime across 1 rarity. Each printing (set × rarity × edition × language) is priced separately.

How much is Guardian Slime worth?

Live USD retail across every indexed printing of Guardian Slime currently spans $0 to $17. Individual printing prices vary by rarity and edition.

What archetype is Guardian Slime part of?

Guardian Slime lists the following archetype: Egyptian God.

Where can I buy Guardian Slime?

Every printing page has a "Find on eBay" button that opens a targeted affiliate search using the exact set code, rarity and edition. YGOPrices does not sell cards directly.

* Affiliate link. YGOPrices may earn a commission from qualifying purchases at no additional cost to you.