Helm of the Host [The List] XY83 Set: The Duelist Genesis Card

Set: The Duelist Genesis Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 3000 Defense: 2000 1 Tuner + 1 or more non-Tuner monsters If this card attacks a Defense Position monster your opponent controls

where X is the number of cards in your hand minus 4

Set: Clash of Rebellions Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 3200 Defense: 2500 1 Level 6 "Archfiend" Normal Monster + 1 "Red-Eyes" Normal Monster You can only Special Summon "Archfiend Black Skull Dragon(s)" once per turn

Then C=v(a²+b²)

the Dreadsower

Helm of the Host [The List] XY83 Set: The Duelist Genesis CardSet: The List Type: Legendary Artifact Equipment Rarity: Rare Cost: {4} At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary if equipped creature is legendary. That token gains haste. Equip {5} Forged out of flowstone for the queen of Vesuva.