Red Nova Dragon [STBL-EN042] Ultimate Rare Elemental Energy When your opponent's monster declares

When your opponent's monster declares an attack

you can Normal Summon it to have it be treated as an Effect Monster with this effect: • This card can attack twice during the same Battle Phase

Set: Return of the Duelist Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 3000 2 Level 6 monsters When this card is Xyz Summoned: You can target 1 "Number" monster in your Graveyard

Set: The Shining Darkness Card type: Synchro/Effect Monster Rarity: Ghost Rare Attack: 2800 Defense: 1600 1 Tuner + 1 or more non-Tuner monsters

you can select 1 card you control and 2 cards your opponent controls

Red Nova Dragon [STBL-EN042] Ultimate Rare Elemental Energy When your opponent's monster declaresSet: Starstrike Blast Card type: Synchro Effect Monster Rarity: Ultimate Rare Attack: 3500 Defense: 3000 2 Tuners + "Red Dragon Archfiend" This card gains 500 ATK for each Tuner monster in your Graveyard. This card cannot be destroyed by the effects of your opponent's Spells, Traps, or monsters. When your opponent's monster declares an attack, you can select it, then remove this card from play and negate the attack. During the End Phase, Special