Guardian Slime
Yu-Gi-Oh! · Legendary Duelists: Rage of Ra · Ultra Rare · LED7-EN003
Released 2020-09-25
$15.49
30-day forecast: $16.50
Live Yu-Gi-Oh! price tracking, buyout detection, and price predictions for Guardian Slime on TCG Collector Tools.
Card Text
Effect Monster · Aqua · WATER · Level 10 · ATK 0 · DEF 0 · Egyptian God archetype
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.
Prices Across Marketplaces
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (up) | $16.50 | +6.5% |
| 30 days (up) | $16.50 | +6.5% |
| 90 days | $15.51 | +0.1% |
| 180 days | $15.51 | +0.1% |
| 1 year | $15.51 | +0.1% |
Confidence 43% · Calibrated 30-day range $14.48–$18.52 · vintage card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-05-18 · at $10.99 · 72 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $11.14 | $14.99 | +34.6% |
| Day 30 | $11.13 | $14.80 | +33.0% |
Signal Analysis
Mixed signals. Monitor for clearer direction.
Recent Price History
Frequently Asked Questions
How much is Guardian Slime worth?
Guardian Slime is currently $15.49 on TCGplayer for the Legendary Duelists: Rage of Ra printing. Prices update daily from live marketplace data.
Is Guardian Slime going up or down in price?
Our 30-day forecast for Guardian Slime is $16.50, with a up trend at 43% confidence.