The product images for Unified Minds have been released, revealing everything but the set’s Elite Trainer Box and binder albums.
Dragonite and Necrozma are both from Japan’s upcoming Miracle Twins set:
[C][C] Barrier Attack: 30 damage. During your opponent’s next turn, this Pokemon takes 30 less damage from attacks (after applying Weakness and Resistance).
[P][P][C] Special Laser: 100+ damage. If this Pokemon has a Special Energy attached, this attack does 60 more damage.
Weakness: Psychic (x2)
Ability: Hurricane Charge
Once during your turn (before your attack), you may attach a [W] Energy and a [L] Energy from your hand to your Pokemon in any way you like.
[W][L][C][C] Dragon Impact: 170 damage. Discard 3 Energy from this Pokemon.
Weakness: Fairy (x2)
Sudowoodo was released in the May 2019 issue of CoroCoro Ichiban:
[F] Low Kick: 20 damage.
[F][F] Territory Attack: 80 damage. If there is no Stadium card in play, this attack does nothing.
Weakness: Water (x2)
Pikachu was available in the “Starter Set Lightning: Jolteon-GX / Eevee-GX Premium Edition” box that was sold at Toys R Us stores in Japan. The box was first sold in November 2018:
[L][C][C] Thunder Shock: 40 damage. Flip a coin. If heads, your opponent’s Active Pokemon is now Paralyzed.
Weakness: Fighting (x2)
Resistance: Metal (-20)
Vikavolt was the Night Unison booster box promo in January 2019.
Stakataka was the Full Metal Wall booster box promo in February 2019.