Guardian Slime [LED7-EN003] Ultra Rare 19 You can only use this

You can only use this effect once per turnm during your Main Phase

you can remove from play 1 "Laval" monster from your Graveyard

• 1 Rare or Mythic Rare In Every Pack—Every Draft Booster contains at least 1 card of rarity Rare or higher

inflict damage equal to half the ATK of the attack target to your opponent

In Masters 25

Guardian Slime [LED7-EN003] Ultra Rare 19 You can only use thisSet: Legendary Duelists: Rage of Ra Card type: Effect Monster Rarity: Ultra Rare Attack: 0 Defense: 0 If you take battle or effect damage: You can Special Summon this card from your hand. During damage calculation, if this card battles an opponent's monster (Quick Effect): You can make this card gain DEF equal to that opponent's monster's ATK during that damage calculation only. If this card is sent from the hand or field to the GY: You can add 1