Tapu Koko GX SM50
Pokemon card from SM Black Star Promos · released Feb 3, 2017
Tapu Koko GX is a Promo Lightning-type Pokemon card, number SM50 in SM Black Star Promos (released Feb 3, 2017), illustrated by 5ban Graphics. Its TCGplayer market price was ~$2.30 for the holofoil finish on Oct 30, 2026. Between Oct 1 and Oct 30, 2026, its Holofoil TCGplayer market price went from ~$2.18 to ~$2.30, up 5.5%.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Holofoil | ~$2.30 | ~$1.00 | ~$2.18 | CardNexuseBayBuy Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
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Card details
| Set | SM Black Star Promos |
| Number | SM50 |
| Rarity | Promo |
| Type | Lightning |
| HP | 170 |
| Artist | 5ban Graphics |
| Format legality | Expanded |
| Finishes | Holofoil |
What the codes mean
- Card numberSM50A Black Star Promo number. Promos are numbered in their own series, with no set total.
- Set symbol
The small SM Black Star Promos symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
- RarityPromo: the Black Star Promo symbol.
- Illustrator“Illus. 5ban Graphics” names the artist who made the art.
Attacks & abilities
Ability: Aero TrailWhen you play this Pokémon from your hand onto your Bench during your turn, you may move any number of Lightning Energy from your other Pokémon to this Pokémon. If you do, switch this Pokémon with your Active Pokémon.
Sky-High Claws130
Tapu Thunder GX50×This attack does 50 damage times the amount of Energy attached to all of your opponent’s Pokémon. (You can’t use more than 1 GX attack in a game.)
Retreat cost: 2
Other Tapu Koko GX printings
More SM Black Star Promos cards
All Tapu Koko cards · SM Black Star Promos price list
Card data via TCGdex and pokemontcg.io, updated Oct 31, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.