Silvally GX - 262/236 - Rainbow Rare from Sun & Moon: Cosmic Eclipse, available at 401 Games Canada.

• Rarity: Rainbow Rare
• Finish: Holofoil
• Artist: Megumi Mizutani
• Card Text:
  Ability — Disk Reload
  Once during your turn (before your attack), you may draw cards until you have 5 cards in your hand.
  [2] Brave Buddies (50+)
  If you played a Supporter card from your hand during this turn, this attack does 70 more damage.
  [2] Silver Knight GX
  If your opponent's Active Pokémon is an Ultra Beast, that Pokémon is Knocked Out. (You can't use more than 1 GX attack in a game.)