Onix card value: every Onix card, ranked

Onix cards: 30; 28 sets
Most valuable: $160.09; Legendary Collection
Worth $10+: 8; of 29 priced
Combined value: $499.46; One of each

We track 30 Onix cards across 28 sets.

The most valuable is Onix 84/110 from Legendary Collection at $160.09.

8 of 29 priced Onix cards are worth $10 or more.

The oldest is from 1999 and the newest from 2025.

Full ranking

TCGplayer market price of each card's most valuable variant, raw near-mint. Estimated market values from recent sales data. Not an offer to buy, and not financial advice.

Onix cards by value
			Set
1	84/110	Onix	Legendary Collection	Common	$160.09
2	98/147	Onix	Aquapolis	Common	$85.00
3	3/18	Onix	Southern Islands	—	$62.65
4	65/115	Onix	Unseen Forces	Common	$41.00
5	69/109	Onix	Team Rocket Returns	Common	$38.07
6	42/112	Onix	FireRed & LeafGreen	Uncommon	$27.78
7	71/100	Onix	Sandstorm	Common	$22.53
8	21/132	Brock's Onix	Gym Heroes	Rare	$17.21
9	9/12	Onix	McDonald's Collection 2019	—	$9.73
10	69/132	Brock's Onix	Gym Heroes	Common	$8.28
11	56/95	Onix	HS—Unleashed	Common	$4.83
12	69/111	Onix	Neo Genesis	Common	$3.48
13	61/116	Onix	Plasma Freeze	Uncommon	$2.91
14	109/214	Onix	Lost Thunder	Common	$2.84
15	36/68	Onix-GX	Hidden Fates	Rare Holo GX	$2.52
16	69/100	Onix	Stormfront	Common	$1.85
17	92/130	Onix	Diamond & Pearl	Common	$1.79
18	57/95	Onix	HS—Unleashed	Common	$1.68
19	56/102	Onix	Base	Common	$1.17
20	84/130	Onix	Base Set 2	Common	$0.93
21	71/168	Onix	Celestial Storm	Common	$0.49
22	61/108	Onix	Evolutions	Common	$0.48
23	36/78	Onix	Pokémon GO	Common	$0.41
24	105/236	Onix	Cosmic Eclipse	Common	$0.41
25	103/236	Onix	Unified Minds	Common	$0.41
26	138/264	Onix	Fusion Strike	Common	$0.27
27	68/163	Onix	Battle Styles	Common	$0.27
28	70/132	Onix	Mega Evolution	Common	$0.25
29	90/182	Onix	Paradox Rift	Common	$0.13
30	95/165	Onix	151	Uncommon	—