Aron, the Ogdoadic King (Ultra Rare) [ANGU-EN007] Ultra Rare BT1-036 you can discard 1 Spell

you can discard 1 Spell Card to destroy 1 Spell or Trap Card your opponent controls

[On Deletion] 1 of your opponent's Digimon gets -1000 DP for the turn

Add the selected card to your hand and you can use it in this Duel

and Special Summon the Fusion Monster from your Extra Deck

Set: Gym Challenge Unlimited Type: Psychic Rarity: Common

Aron, the Ogdoadic King (Ultra Rare) [ANGU-EN007] Ultra Rare BT1-036 you can discard 1 SpellSet: Ancient Guardians Card type: Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2800 If this card is in your GY: You can Tribute 2 monsters; Special Summon this card. If your opponent adds a card(s) to their hand (except during the Draw Phase or Damage Step): You can send 1 random card from their hand to the GY. If a monster(s) your opponent controls is sent to the GY (except during the Damage Step): You can add 1 LIGHT or DARK Reptile