Grave Ohja [TLM-EN017] Ultimate Rare High-Speed Riders you may discard a card

you may discard a card with cost 0

Set: The Dark Side of Dimensions Movie Pack: Gold Edition Card type: Effect Monster Rarity: Gold Rare Attack: 2000 Defense: 1700 This card gains 300 ATK for every "Dark Magician" or "Magician of Black Chaos" in either player's Graveyard

Set: World Championship 2010 Card Pack Card type: Normal Monster Rarity: Rare Attack: 1000 Defense: 1200

Set: Duelist Pack: Kaiba Card type: Normal Monster Rarity: Super Rare Attack: 3000 Defense: 2500

Grave Ohja [TLM-EN017] Ultimate Rare High-Speed Riders you may discard a cardSet: The Lost Millennium Card type: Effect Monster Rarity: Ultimate Rare Attack: 1600 Defense: 1500 As long as a face down Defense Position monster(s) remains on your side of the field, a player cannot select this card as an attack target. Each time a monster on your side of the field is Flip Summoned, inflict 300 points of damage to your opponent's Life Points.