Mewtwo (10) [Base Set] 216 Dialga can't use Metal Flash

Dialga can't use Metal Flash

[RRR] Fireball (70)

Does 50 damage plus 20 more damage for each WaterEnergy attached to Kingdra ex but not used to pay for this attack's Energy cost

Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Base Set (Shadowless) Type: Fire Rarity: Uncommon Retreat cost: 1 [3] Slash (30)

Mewtwo (10) [Base Set] 216 Dialga can't use Metal FlashSet: Base Set Type: Psychic Rarity: Holo Rare Retreat cost: 3 [1P] Psychic (10+) Does 10 damage plus 10 more damage for each Energy card attached to the Defending Pokemon. [PP] Barrier Discard 1 Psychic Energy card attached to Mewtwo in order to use this attack. During your opponent's next turn, prevent all effects of attacks, including damage, done to Mewtwo.