Grand Archive — Mercurial Heart Alter Edition Card Prices & Values (2026)

Complete Mercurial Heart Alter Edition price guide: 35 cards tracked, total set value $1601.34. Released 2026. Prices last updated: July 18, 2026.

Mercurial Heart Alter Edition Market Snapshot

Total Set Value: $1601.34
Average Card Price: $45.75
Lowest Priced Card: $1.22
Cards Tracked: 35

How Guardian Calculates Mercurial Heart Alter Edition Prices

Guardian builds this set price guide from live raw card prices, graded estimates, recent sales, and outlier checks across supported marketplaces. The total set value is the sum of tracked singles with current market prices, while PSA columns show graded-card estimates when enough data is available.

Read the full Guardian Oracle pricing methodology.

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Most Valuable Mercurial Heart Alter Edition Cards

Card	Rarity	Raw	PSA 9	PSA 10	30d
Bertha, Spry Howitzer	Collector Super Rare	$299.99	N/A	N/A	0.0%
Gloamspire Mantle	Collector Super Rare	$185.50	N/A	N/A	+1.7%
Shadow's Claw	Ultra Rare	$150.00	N/A	N/A	+4.4%
Volda, Smolder's Spite (CSR)	Collector Super Rare	$127.50	N/A	N/A	0.0%
Fragmented Spirit of Fire	Ultra Rare	$100.00	N/A	N/A	+17.6%
Mercurial Heart	Ultra Rare	$89.99	N/A	N/A	0.0%
Hector, Praetorian Guard (CSR)	Collector Super Rare	$87.72	N/A	N/A	+0.6%
Winbless Lookout	Uncommon	$70.00	N/A	N/A	0.0%
Moonveil Android	Rare	$69.98	N/A	N/A	0.0%
Atmos Armor Type-Ares	Ultra Rare	$49.99	N/A	N/A	0.0%
Punishing Cartridge	Super Rare	$42.05	N/A	N/A	+0.7%
Accursed Strength	Rare	$40.00	N/A	N/A	+29.9%
Fragmented Spirit of Wind	Ultra Rare	$39.78	N/A	N/A	0.0%
Final Stroke	Ultra Rare	$29.99	N/A	N/A	+25.0%
Fragmented Spirit of Water	Ultra Rare	$28.69	N/A	N/A	0.0%
Scathing Seminary	Uncommon	$22.78	N/A	N/A	-1.2%
Counter Interference	Rare	$20.53	N/A	N/A	+8.1%
Tend the Land	Uncommon	$20.00	N/A	N/A	0.0%
Vampiric Slime	Ultra Rare	$18.98	N/A	N/A	-9.6%
Baby Silver Slime	Uncommon	$14.99	N/A	N/A	+5.6%
Prima Materia	Ultra Rare	$13.48	N/A	N/A	-13.9%
Decompose	Rare	$12.36	N/A	N/A	0.0%
Regal Expulsion	Rare	$12.00	N/A	N/A	+9.2%
Overlord Mk III	Ultra Rare	$11.43	N/A	N/A	0.0%
Volda, Smolder's Spite	Super Rare	$10.99	N/A	N/A	0.0%
Throne Sentinel	Rare	$9.24	N/A	N/A	-0.9%
Eternal Directive	Uncommon	$5.49	N/A	N/A	0.0%
Hector, Praetorian Guard	Super Rare	$3.64	N/A	N/A	+8.0%
Charged Directive	Uncommon	$3.42	N/A	N/A	+10.7%
Furnace Drone	Rare	$3.11	N/A	N/A	+0.7%
Armed and Dangerous	Uncommon	$2.27	N/A	N/A	0.0%
Dorumegian Foundry	Uncommon	$1.74	N/A	N/A	-2.8%
Shield Fragmentation	Uncommon	$1.27	N/A	N/A	+30.9%
Vanguard's Reversal	Uncommon	$1.22	N/A	N/A	0.0%
Radiant Repudiation	Uncommon	$1.22	N/A	N/A	+47.0%

Biggest 30-Day Movers in Mercurial Heart Alter Edition

Card	Rarity	Raw Price	30d Change	PSA 10
Radiant Repudiation	Uncommon	$1.22	+47.0%	N/A
Shield Fragmentation	Uncommon	$1.27	+30.9%	N/A
Accursed Strength	Rare	$40.00	+29.9%	N/A
Final Stroke	Ultra Rare	$29.99	+25.0%	N/A
Fragmented Spirit of Fire	Ultra Rare	$100.00	+17.6%	N/A
Prima Materia	Ultra Rare	$13.48	-13.9%	N/A
Charged Directive	Uncommon	$3.42	+10.7%	N/A
Vampiric Slime	Ultra Rare	$18.98	-9.6%	N/A
Regal Expulsion	Rare	$12.00	+9.2%	N/A
Counter Interference	Rare	$20.53	+8.1%	N/A
Hector, Praetorian Guard	Super Rare	$3.64	+8.0%	N/A
Baby Silver Slime	Uncommon	$14.99	+5.6%	N/A
Shadow's Claw	Ultra Rare	$150.00	+4.4%	N/A
Dorumegian Foundry	Uncommon	$1.74	-2.8%	N/A
Gloamspire Mantle	Collector Super Rare	$185.50	+1.7%	N/A
Scathing Seminary	Uncommon	$22.78	-1.2%	N/A
Throne Sentinel	Rare	$9.24	-0.9%	N/A
Punishing Cartridge	Super Rare	$42.05	+0.7%	N/A
Furnace Drone	Rare	$3.11	+0.7%	N/A
Hector, Praetorian Guard (CSR)	Collector Super Rare	$87.72	+0.6%	N/A

Cheapest Mercurial Heart Alter Edition Cards

Card	Rarity	Raw Price	PSA 10
Vanguard's Reversal	Uncommon	$1.22	N/A
Radiant Repudiation	Uncommon	$1.22	N/A
Shield Fragmentation	Uncommon	$1.27	N/A
Dorumegian Foundry	Uncommon	$1.74	N/A
Armed and Dangerous	Uncommon	$2.27	N/A
Furnace Drone	Rare	$3.11	N/A
Charged Directive	Uncommon	$3.42	N/A
Hector, Praetorian Guard	Super Rare	$3.64	N/A
Eternal Directive	Uncommon	$5.49	N/A
Throne Sentinel	Rare	$9.24	N/A
Volda, Smolder's Spite	Super Rare	$10.99	N/A
Overlord Mk III	Ultra Rare	$11.43	N/A
Regal Expulsion	Rare	$12.00	N/A
Decompose	Rare	$12.36	N/A
Prima Materia	Ultra Rare	$13.48	N/A
Baby Silver Slime	Uncommon	$14.99	N/A
Vampiric Slime	Ultra Rare	$18.98	N/A
Tend the Land	Uncommon	$20.00	N/A
Counter Interference	Rare	$20.53	N/A
Scathing Seminary	Uncommon	$22.78	N/A

Mercurial Heart Alter Edition Checklist by Number

Card	Raw Price	PSA 10
Bertha, Spry Howitzer	$299.99	N/A
Gloamspire Mantle	$185.50	N/A
Shadow's Claw	$150.00	N/A
Volda, Smolder's Spite (CSR)	$127.50	N/A
Fragmented Spirit of Fire	$100.00	N/A
Mercurial Heart	$89.99	N/A
Hector, Praetorian Guard (CSR)	$87.72	N/A
Winbless Lookout	$70.00	N/A
Moonveil Android	$69.98	N/A
Atmos Armor Type-Ares	$49.99	N/A
Punishing Cartridge	$42.05	N/A
Accursed Strength	$40.00	N/A
Fragmented Spirit of Wind	$39.78	N/A
Final Stroke	$29.99	N/A
Fragmented Spirit of Water	$28.69	N/A
Scathing Seminary	$22.78	N/A
Counter Interference	$20.53	N/A
Tend the Land	$20.00	N/A
Vampiric Slime	$18.98	N/A
Baby Silver Slime	$14.99	N/A
Prima Materia	$13.48	N/A
Decompose	$12.36	N/A
Regal Expulsion	$12.00	N/A
Overlord Mk III	$11.43	N/A
Volda, Smolder's Spite	$10.99	N/A
Throne Sentinel	$9.24	N/A
Eternal Directive	$5.49	N/A
Hector, Praetorian Guard	$3.64	N/A
Charged Directive	$3.42	N/A
Furnace Drone	$3.11	N/A
Armed and Dangerous	$2.27	N/A
Dorumegian Foundry	$1.74	N/A
Shield Fragmentation	$1.27	N/A
Vanguard's Reversal	$1.22	N/A
Radiant Repudiation	$1.22	N/A

How many cards are in Mercurial Heart Alter Edition?

Mercurial Heart Alter Edition has 35 cards tracked with a total set value of $1601.34. Most valuable: Bertha, Spry Howitzer ($299.99).

What is the most expensive card in Mercurial Heart Alter Edition?

The most expensive Mercurial Heart Alter Edition card is Bertha, Spry Howitzer at $299.99. The set has 35 cards with a total value of $1601.34.

Is Mercurial Heart Alter Edition a good investment?

Mercurial Heart Alter Edition contains 35 priced cards worth $1601.34 total. The most expensive card is Bertha, Spry Howitzer at $299.99. Check our Grand Archive market movers for current trends.

When was Mercurial Heart Alter Edition price data last updated?

Mercurial Heart Alter Edition prices were last updated July 18, 2026. Guardian TCG refreshes card data daily from TCGPlayer, eBay, and CardMarket.

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Mercurial Heart Alter Edition Price Guide — Card Values & Prices (2026)