Forbidden Arts of the Gishki [HA06-EN027] Super Rare Yami yugi during damage calculation (in either

during damage calculation (in either player's turn): You can activate this effect once per battle

You can only use this effect of "D/D Savant Copernicus" once per turn

Set: Gold Series: Haunted Mine Card type: Effect Monster Rarity: Common Attack: 100 Defense: 1000 FLIP: Draw 1 card

you control the equipped monster

Forbidden Arts of the Gishki [HA06-EN027] Super Rare Yami yugi during damage calculation (in eitherSet: Hidden Arsenal 6: Omega Xyz Card type: Ritual Spell Rarity: Super Rare Attack: 0 Defense: 0 This card can be used to Ritual Summon any "Gishki" Ritual Monster. You must also Tribute face up monsters from either side of the field, whose total Levels equal the Level of the Ritual Monster you Ritual Summon. Halve the ATK of the monster Ritual Summoned by this effect. You cannot conduct your Battle Phase the turn you activate this card.