Most valuable HS—Undaunted cards (2010)

The most valuable HS—Undaunted card is Umbreon 86/90 at $506.94 for an ungraded Near Mint copy. The ten most valuable together come to $1,992, 80 % of the whole set's market value. HS—Undaunted is a 90-card expansion in the HeartGold & SoulSilver series, released 2010/08/18. Prices are TCGplayer market values and move daily; graded copies sell above them. The full list is on the HS—Undaunted card list.

Most valuable HS—Undaunted cards
#	Card	No.	Rarity	Market
1	Umbreon	86/90	Rare Prime	$506.94
2	Rayquaza & Deoxys LEGEND	90/90	LEGEND	$264.30
3	Houndoom	82/90	Rare Prime	$213.74
4	Kyogre & Groudon LEGEND	87/90	LEGEND	$203.27
5	Espeon	81/90	Rare Prime	$202.70
6	Rayquaza & Deoxys LEGEND	89/90	LEGEND	$197.86
7	Raichu	83/90	Rare Prime	$116.19
8	Alph Lithograph	THREE/90	Rare Secret	$114.00
9	Umbreon	10/90	Rare Holo	$88.88
10	Kyogre & Groudon LEGEND	88/90	LEGEND	$84.00
11	Scizor	84/90	Rare Prime	$81.55
12	Slowking	85/90	Rare Prime	$61.58
13	Espeon	2/90	Rare Holo	$58.81
14	Scizor	7/90	Rare Holo	$57.13
15	Magcargo	6/90	Rare Holo	$26.98
16	Slowpoke	66/90	Common	$20.56
17	Houndoom	5/90	Rare Holo	$16.67
18	Togekiss	9/90	Rare Holo	$14.52
19	Pikachu	61/90	Common	$12.96
20	Vaporeon	41/90	Uncommon	$10.54
21	Slowbro	38/90	Uncommon	$9.78
22	Leafeon	17/90	Rare	$9.38
23	Flareon	26/90	Uncommon	$9.18
24	Gliscor	4/90	Rare Holo	$8.22
25	Smeargle	8/90	Rare Holo	$7.86

See the most valuable card of every set and how to price your own copy.