Guardian Slime [LED7-EN003] Ultra Rare XY204 Set: Elemental Energy Card type:

Set: Elemental Energy Card type: Effect Monster Rarity: Ultimate Rare Attack: 1400 Defense: 800 If this card is discarded from the hand to the Graveyard by a card effect

and if your do Summon it this way

Set: Invasion: Vengeance Card type: Synchro/Effect Monster Rarity: Rare Attack: 2000 Defense: 2000 1 Tuner + 2 non-Tuner monsters If a "Flower Cardian" monster you control attacks a Defense Position monster

and add them to your hand

Guardian Slime [LED7-EN003] Ultra Rare XY204 Set: Elemental Energy Card type:Set: 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