Dark Cavalry [DUPO-EN002] Ultra Rare Machine by Tributing 1 Thunder Effect

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

Set: OTS Tournament Pack 9 Card type: Token Monster Rarity: Super Rare Attack: 0 Defense: 0 This card can be used as a "Mecha Phantom Beast Token"

Set: OTS Tournament Pack 9 Card type: Link/Effect Monster Rarity: Ultimate Rare Attack: 1500 1 non WATER "Sky Striker Ace" monster Monsters your opponent controls lose 100 ATK/DEF for each Spell in your GY

Yugi's Gaia the Dragon Champion strategy has been remastered for the modern age

inflict piercing battle damage

Dark Cavalry [DUPO-EN002] Ultra Rare Machine by Tributing 1 Thunder EffectSet: Duel Power Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2300 "Dark Magician" + 1 Warrior monster Gains 100 ATK for each Spell Trap on the field and in the GYs. If this card attacks a Defense Position monster, inflict piercing battle damage. When a card or effect is activated that targets a card on the field (Quick Effect): You can discard 1 card; negate the activation, and if you do, destroy it.