Appliancer Celtopus [BLAR-EN038] Ultra Rare Normal Monster Set: Wizards of the Coast:

Set: Wizards of the Coast: Black Star Promos Type: Metal Rarity: Black Star Promo Retreat cost: Colorless

you can Normal Summon it to have it become an Effect Monster with this effect

Inflict damage to your opponent's Life Points equal to the number of monsters destroyed x 300 points

Set: EX: Unseen Forces Type: Grass Rarity: Ultra Rare Retreat cost: Colorless

or if your opponent has 5 or more cards in their hand

Appliancer Celtopus [BLAR-EN038] Ultra Rare Normal Monster Set: Wizards of the Coast:Set: Battles of Legend: Armageddon Card type: Link Effect Monster Rarity: Ultra Rare Attack: 0 2 "Appliancer" monsters This linked card cannot be targeted by your opponent's card effects, or their monsters' attacks. During damage calculation, if an "Appliancer" Link Monster you control co linked to this card battles an opponent's monster: Your battling monster gains ATK equal to the number of monsters co linked to this card x 1000, during that damage