Poke-POWER · Undevelop
Once during your turn (before your attack), you may devolve Jolteon and put Jolteon into your hand. This power can't be used if Jolteon is affected by a Special Condition.

HP 80 · Lightning
Pokémon — Stage 1
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Once during your turn (before your attack), you may devolve Jolteon and put Jolteon into your hand. This power can't be used if Jolteon is affected by a Special Condition.
Cost: Colorless
Flip a coin. If heads, this attack does 10 damage plus 30 more damage.
Cost: Lightning, Colorless
If Jolteon evolved from Eevee during this turn, this attack does 10 damage to each of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon).