Rigorous Reaver [CP06-EN001] Ultra Rare Dark Legends If you Special Summon this

If you Special Summon this card with this effect

Set: Duelist Revolution Card type: Counter Trap Rarity: Ultra Rare Attack: 0 Defense: 0 Pay 2000 Life Points to negate the Summon of a monster OR the activation of a Spell Card

Set: Legendary Collection 4: Joey's World Card type: Normal Trap Rarity: Secret Rare When your opponent Summons a monster(s) with 1500 or more ATK: Destroy that monster(s) with 1500 or more ATK

and Gamma meld as one to form a powerful monster

if it was sent there this turn

Rigorous Reaver [CP06-EN001] Ultra Rare Dark Legends If you Special Summon thisSet: Champion Pack 6 Card type: Effect Monster Rarity: Ultra Rare Attack: 1600 Defense: 100 FLIP: Each player discards 1 card. A monster that destroys this card by battle loses 500 ATK and DEF.