OmanyteオムナイトUnlimited

Poké-PowerCall Up

Once during your turn (before your attack), you may flip a coin. If heads, search your discard pile for Helix Fossil, Dome Fossil, or Old Amber and put it onto your Bench. This power can't be used if Omanyte is affected by a Special Condition.

Does 10 damage to 2 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)