The maximum HP of the Pokmon-GX or Pokmon-EX this card is attached to is reduced by 100. If that Pokmon is Knocked Out by damage from the attacks of your opponent's Pokmon they take 1 less Prize card.
Set: Sun & Moon - Cosmic Eclipse
Card Number: 194/236
Rarity: Uncommon
Card Type: Trainer - Item
Name: Island Challenge Amulet
Finish: Reverse Holo
The maximum HP of the Pokmon-GX or Pokmon-EX this card is attached to is reduced by 100. If that Pokmon is Knocked Out by damage from the attacks of your opponent's Pokmon they take 1 less Prize card.