Forbidden Arts of the Gishki [HA06-EN027] Super Rare Yami yugi You can only use this

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

you take no battle damage from that battle

" directly from your Deck to your Spell & Trap Zone

Set: Galactic Overlord Card type: Effect Monster Rarity: Common Attack: 2000 Defense: 1600 You can Special Summon this card (from your hand) by Tributing 1 "Hieratic" monster

Forbidden Arts of the Gishki [HA06-EN027] Super Rare Yami yugi You can only use thisSet: 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.