Mefist the Infernal General [DCR-066] Rare BT9-066 You can only use this

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

Set: XY: Evolutions Type: Fighting Rarity: Ultra Rare Retreat cost: 0

up to the number of Spell Cards activated after this card's resolution

Set: 2010 Collectors Tins Card type: Effect Monster Rarity: Super Rare Attack: 1600 Defense: 1800 Your opponent cannot select another Spellcaster-Type monster you control as an attack target

Mefist the Infernal General [DCR-066] Rare BT9-066 You can only use thisSet: Dark Crisis Card type: Effect Monster Rarity: Rare Attack: 1800 Defense: 1700 When this card attacks with an ATK that is higher than the DEF of your opponent's Defense Position monster, inflict the difference as Battle Damage to your opponent's Life Points. When this card inflicts Battle Damage to your opponent's Life Points, select 1 card from your opponent's hand randomly and discard it.