The Fabled Kokkator [DT04-EN072] Common 2014 Mega-Tins Set: 2014 Mega-Tins Mega Pack

Set: 2014 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 You can discard 4 other "Mermail" monsters to the Graveyard

it gains this effect

Set: Legendary Collection Kaiba Card type: Union/Effect Monster Rarity: Ultra Rare Attack: 500 Defense: 500 If this card is Normal Summoned: You can target 1 Union monster in your GY

Special Summon both to your side of the field

The Fabled Kokkator [DT04-EN072] Common 2014 Mega-Tins Set: 2014 Mega-Tins Mega PackSet: Duel Terminal 4 Card type: Effect Monster Rarity: Common Attack: 1700 Defense: 1500 When this card destroys an opponent's monster by battle and sends it to the Graveyard, you can discard 1 "Fabled" monster to draw 1 card.