Description, catalog fields, rules text, and how it plays—in one place.
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This Pokémon is very popular as a herding dog in the Galar region. As it runs, it generates electricity from the base of its tail.
Abilities, attacks, weakness & resistance
Flip a coin. If tails, this attack does nothing.
Other cards from Temporal Forces
Raging Bolt ex (Holofoil)
Iron Boulder ex (Holofoil)
Iron Crown ex (Holofoil)
Walking Wake ex (Holofoil)
Gouging Fire ex (Holofoil)
Iron Leaves ex (Holofoil)
Salvatore (Holofoil)
Morty's Conviction (Holofoil)
Eri (Holofoil)
Bianca's Devotion (Holofoil)
Raging Bolt ex (Holofoil)
Iron Boulder ex (Holofoil)
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Yamper (sv5-58) is a Basic Lightning-type Pokémon from the Temporal Forces expansion printed as a common. It has a one-colorless-cost attack, Whimsy Tackle, which deals 20 damage but requires a coin flip and does nothing on tails. Its stats include a single Colorless retreat cost and a Fighting weakness, making it a low-cost early-game or filler attacker.
Catalog pricing data as of 27 Apr 2026, 18:53