
Prototype Shield's Near Mint price is up 87.0% ($0.20) over the past 30 days.
7h ago· Updated Oct 27, 2026
Card Details
TypeRegalia — Guardian Shield
Mana CostCost 0
Card TextUnit Link (This object enters the field linked to target unit. If the link is broken, sacrifice this object). Class Bonus If damage would be dealt to linked unit while it's attacking, prevent 3 of that damage. (This object takes damage that would be dealt by a retaliating defender.)
inkwell Fair Value™?· NM
$0.43
single source
——
Condition?
Confidencemedium
Prices as ofOct 27
Normal—
Cheapest printing—
Why This Price
inkwell Estimate
Fair Value$0.43
Movement
7D Change+79.2% (+$0.19)
30D Change+87.0% (+$0.20)
Freshness
Prices as ofOct 27
Update cadenceDaily
Inkwell Fair Value$0.43
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More from Mercurial Heart
See all cards →- How much is Prototype Shield worth?
- The current Near Mint price for Prototype Shield from Mercurial Heart (Grand Archive TCG) is $0.43. It has increased 79.2% over the past 7 days.
- What set is Prototype Shield from?
- Prototype Shield is from the Mercurial Heart set, released May 2024. It is a Rare in Grand Archive TCG.
- What rarity is Prototype Shield?
- Prototype Shield is a Rare card from Mercurial Heart in Grand Archive TCG.
- How has the price of Prototype Shield changed over the past 30 days?
- Over the past 30 days, the Near Mint price of Prototype Shield has risen 87.0% ($0.20) to $0.43.




