Tangrowth's "Power Whip" attack should say, "This attack does 10 damage for each Energy from basic Energy cards attached to Tangrowth to that Pokemon."
Power Whip





×2
-30
Power WhipThis attack does 20 damage to 1 of your opponent's Pokémon for each Energy attached to this Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)



Metal ClawIt fights by swinging around its three spiky feelers. A hit from these steel spikes can reduce a boulder to rubble.
Tangrowth's "Power Whip" attack should say, "This attack does 10 damage for each Energy from basic Energy cards attached to Tangrowth to that Pokemon."