Thunder End Dragon [SP14-EN021] Starfoil Rare 17 this card becomes that Attribute

this card becomes that Attribute

Set: High-Speed Riders Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 1900 Defense: 1000 1 Tuner + 1 or more non-Tuner monsters This card gains 300 ATK for each EARTH Warrior-Type Synchro Monster on the field (other than this card)

except the attacking monster

Set: Legendary Collection 4: Joey's World Card type: Effect Monster Rarity: Common Attack: 500 Defense: 500 FLIP: Each player shuffles all cards from their hand

Set: Hidden Arsenal 5: Steelswarm Invasion Card type: Effect Monster Rarity: Super Rare Attack: 300 Defense: 200 When this card is sent from the field to the Graveyard: All face-up "Laval" monsters you currently control gain 200 ATK for each "Laval" monster in your Graveyard

Thunder End Dragon [SP14-EN021] Starfoil Rare 17 this card becomes that AttributeSet: Star Pack 2014 Card type: Xyz Effect Monster Rarity: Starfoil Rare Attack: 3000 Defense: 2000 2 Level 8 Normal Monsters Once per turn: You can detach 1 Xyz Material from this card; destroy all other monsters on the field.