Grass Energy (99/102) (Shadowless) [Base Set 1st Edition] Promotional if this card attacked a

if this card attacked a face-down Defense Position monster: Destroy that monster

This card's ATK becomes equal to the damage inflicted to your opponent by this effect

Set: Structure Deck: Yugi Muto Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 4000 Defense: 4000 "Valkyrion the Magna Warrior" + "Berserkion the Electromagna Warrior" Must be Fusion Summoned with the above Fusion Materials and cannot be Special Summoned by other ways

Set: Duelist Pack: Dimensional Guardians Card type: Tuner/Effect Monster Rarity: Rare Attack: 600 Defense: 200 When this card is Normal Summoned: You can Special Summon 1 Level 4 or lower monster from your hand

Set: OTS Tournament Pack 5 Card type: Normal Spell Rarity: Ultimate Rare Add 1 Field Spell Card from your Deck to your hand

Grass Energy (99/102) (Shadowless) [Base Set 1st Edition] Promotional if this card attacked aSet: Base Set 1st Edition Type: Basic Energy Rarity: Common