Elemental Hero Neos Knight [BLHR-EN064] Secret Rare S1 You can only use this

You can only use this effect of "Mathmech Addition" once per turn

your opponent discard 1 card randomly from his/her hand

Set: Starter Deck: Link Strike Card type: Link/Effect Monster Rarity: Super Rare Attack: 1000 1 Normal Monster Once per turn: You can Special Summon 1 Level 4 or lower Normal Monster from your hand to your zone this card points to

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Set: Dark Revelation Volume 2 Card type: Normal Spell Rarity: Rare Attack: 0 Defense: 0 Discard 1 card from your hand

Elemental Hero Neos Knight [BLHR-EN064] Secret Rare S1 You can only use thisSet: Battles of Legend: Hero's Revenge Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 1000 "Elemental Hero Neos" + 1 Warrior monster Must be Fusion Summoned. Gains ATK equal to half the original ATK of the Warrior Fusion Material used for its Fusion Summon, except "Elemental Hero Neos". Can make a second attack during each Battle Phase. Your opponent takes no battle damage from attacks involving this card.