Mefist the Infernal General [DCR-066] Rare BT2-056 during your standby Phase: You

during your standby Phase: You gain 200 LP

Set: Ancient Sanctuary Card type: Effect Monster Rarity: Super Rare Attack: 1000 Defense: 1500 When this card attacks a face-down Defense Position monster and destroys it and sends it to the Graveyard as a result of battle

You can only use this effect of "Satellarknight Sirius" once per turn

You cannot activate non-LIGHT monster effects during the turn you activate this effect

Set: Structure Deck: Machine Re-Volt Card type: Effect Monster Rarity: Common Attack: 100 Defense: 800 While an "Ancient Gear" is face-up on your side of the field

Mefist the Infernal General [DCR-066] Rare BT2-056 during your standby Phase: YouSet: 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.