Heroic Champion - Excalibur [REDU-EN041] Ghost Rare Null When it is Special Summoned

When it is Special Summoned by this effect

Set: Battle Pack: Epic Dawn Card type: Effect Monster Rarity: Starfoil Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned: Target 1 card on the field

During the End Phase

Set: Dark Beginning 1 Card type: Normal Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500

Heroic Champion - Excalibur [REDU-EN041] Ghost Rare Null When it is Special SummonedSet: Return of the Duelist Card type: Xyz Effect Monster Rarity: Ghost Rare Attack: 2000 Defense: 2000 2 Level 4 Warrior Type monsters Once per turn: You can detach 2 Xyz Materials from this card; this card's ATK becomes double its original ATK until your opponent's next End Phase.