If this Pokémon has at least 7 extra Water Energy attached to it (in addition to this attack's cost), this attack does 100 damage to each of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) (You can't use more than 1 GX attack in a game.)
Magikarp & Wailord-GX (SM Black Star Promos) is presently valued at about $88.56 in raw condition. The 7-day delta remains near neutral at 0.0%.
Current pricing is broadly aligned with its 30-day average ($87.33). Its 90-day trading band runs between $67.92 and $88.56, producing a 23% range and moderate-volatility behavior.
The listed rarity for this print is Promo.
Current valuation lens: We observe a 0.0% shift this week, which points toward price consolidation rather than immediate volatility. Observed 90-day bounds of $67.92 and $88.56 create a 23% band, matching a moderate-volatility profile.
Current value remains close to its 30-day mean ($87.33). The clearest graded reference is PSA 9 at $766.03, or +765% relative to raw.
Magikarp & Wailord-GX is a SM Black Star Promos card from the 2017 release window. Its card type is Pokémon.
The rarity label is Promo. Printed HP is 300.
Energy typing is Water. It carries a Basic, TAG TEAM, and GX subtype designation.
Card rules text: TAG TEAM rule: When your TAG TEAM is Knocked Out, your opponent takes 3 Prize cards. The printed attacks highlight "Super Splash" and "Towering Splash-GX".
A wider Magikarp checklist helps contextualize this specific Magikarp & Wailord-GX print. Comparable entries in this snapshot: 3 cards, 1 distinct set.
Observed alternatives run from $99.68 to $995.68 (899% spread). The current card sits -78% versus the sampled alternative average of $404.30.
Notable alternatives include Magikarp & Wailord-GX #160 (Team Up) at $99.68, Magikarp & Wailord-GX #161 (Team Up) at $995.68, and Magikarp & Wailord-GX #183 (Team Up) at $117.54.
SM Black Star Promos entered circulation in 2017. It belongs to the Sun & Moon series.
With 250 listed cards, this is a large set by modern TCG standards. As of 2026, the set is 9 years old and now falls into an established back-catalog period.
In the SM Black Star Promos checklist, Magikarp & Wailord-GX occupies position #SM166 as a Promo card.
