yugioh battle deck Speed Duel: Streets of City Brings 8 Decks of Fun — GeekTyrant 60 Yu-gi-oh Collectable Trading Card

Once all cards are sent to the graveyard, opponents lose 300 LP for every card they were forced to discard

Much like Rabble Rousing seems made for Isshin, Reservoir Kraken seems like it exists to enable Ninjutsu decks

UR Ultra Rare Performapal Corn X LIGHT Level 3 [ Beast-WarriorEffect ] ATK 600 DEF 1000 Once per turn, during your Main Phase, if this card was Normal or Special Summoned this turn: You can target 1 other "Performapal" monster you control with 1000 or less ATK

This lets you play your artifacts while blowing up smaller ones

As a result, there are a lot of cards that fit this category, so Ill have to do some narrowing down here

Amass vs