Mewtwo V-UNION - SWSH159 - Promo from Sword & Shield Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: AKIRA EGAWA
• Card Text:
  How to play a Pokemon V-UNION
  Once per game during your turn, combine 4 different Greninja V-Union from your discard pile and put them onto your Bench.
  [1] Union Gain
  Attach up to 2 P Energy cards from your discard pile to this Pokemon.
  [1PP] Super Regeneration
  Heal 200 damage from this Pokemon
  [1PP] Psysplosion
  Put 16 damage counters on your opponent's Pokemon in any way you like.
  Ability - Photon Barrier
  Prevent all effects of attacks from your opponent's Pokemon done to this Pokemon.
  [1PPP] Final Burn (300)