Necrofiend

Necrofiend Banshee
Level 4 DARK Fiend/Effect
1600/0
If this card is Normal or Special Summoned: You can add 1 "Necrofiend" card from your Deck to your hand, except "Necrofiend Banshee". If this card is Tributed by the effect of a "Necrofiend" card: You can inflict 100 damage to your opponent for each card in their GY. You can only use each effect of "Necrofiend Banshee" once per turn.

Necrofiend Bat
Level 1 DARK Fiend/Effect
0/0
If this card is added to your hand, except by drawing it: You can send this card from your hand to the GY; Special Summon 1 Level 6 or lower "Necrofiend" monster from your Deck, except "Necrofiend Bat". You can only use this effect of "Necrofiend Bat" once per turn. If this card is destroyed by battle and sent to the GY: Destroy the monster that destroyed it. You take no battle damage from battles involving this card.

Necrofiend Boogeyman
Level 4 DARK Fiend/Effect
1100/1800
When your opponent activates a card or effect that targets a "Necrofiend" monster(s) you control (Quick Effect): You can Special Summon this card from your hand, and if you do, negate that effect. If this card is Normal or Special Summoned: You can Set 1 "Necrofiend" Virus Card directly from your Deck. You can only use each effect of "Necrofiend Boogeyman" once per turn.

Necrofiend Familiar
Level 1 DARK Fiend/Effect
0/300
When your opponent activates a card or effect that targets a "Necrofiend" monster(s) you control (Quick Effect): You can Special Summon this card from your hand, and if you do, negate that effect. If this card is Normal or Special Summoned: You can add 1 "Necrofiend" Spell from your Deck to your hand. You can only use each effect of "Necrofiend Familiar" once per turn.

Necrofiend Geist
Level 7 DARK Fiend/Effect
2200/2600
You can Tribute 2 "Necrofiend" monsters; Special Summon this card from your hand. You can target 1 face-up monster your opponent controls; this card's battle position cannot be changed until the end of your next turn, also change this card you control from face-up Attack Position to face-up Defense Position, and if you do, destroy that target, and if you do that, send the top 5 cards of your opponent's Deck to the GY. If this card is Tributed: Add this card to your hand. You can only use each effect of "Necrofiend Geist" once per turn.

Necrofiend Ghost
Level 4 DARK Fiend/Effect
1800/1000
When this card destroys an opponent's monster by battle: You can Special Summon 1 Level 4 or lower "Necrofiend" monster from your Deck. If this card is Tributed: You can send the top 4 cards of your opponent's Deck to the GY. You can only use this effect of "Necrofiend Ghost" once per turn.

Necrofiend Ghoul
Level 6 DARK Fiend/Effect
2300/2000
You can Tribute 1 "Necrofiend" monster; Special Summon this card from your hand. You can target 1 face-up monster your opponent controls; banish 1 "Necrofiend" monster from your GY, and if you do, change that target's ATK to 0 (until the end of this turn), and if you do that, send the top 3 cards of your opponent's Deck to the GY. If this card is Tributed: Target 1 "Necrofiend" Virus Card in your GY; add it to your hand. You can only use each effect of "Necrofiend Ghoul" once per turn.

Necrofiend Golem
Level 3 DARK Fiend/Effect
1400/1000
When your opponent activates a card or effect that targets a card(s) in their GY (Quick Effect): You can Special Summon this card from your hand, and if you do, negate that effect. You can only use this effect of "Necrofiend Golem" once per turn. The first time this card would be destroyed by battle each turn, it is not destroyed.

Necrofiend Joker
Level 8 DARK Fiend/Effect
2700/1200
You can Tribute 2 "Necrofiend" monsters; Special Summon this card from your hand. During your Main Phase: You can send the top card of your opponent's Deck to the GY, and if that card is a monster, this card gains ATK equal to the sent monster's Level x 200 until the end of this turn. If this card is Tributed: You can banish 2 other "Necrofiend" monsters from your GY; Special Summon this card. You can only use each effect of "Necrofiend Joker" once per turn.

Necrofiend Lich
Level 8 DARK Fiend/Effect
2600/2000
For each card in your opponent's GY, this card gains 100 ATK/DEF and monsters your opponent controls lose 100 ATK/DEF. You can only use each of the following effects of "Necrofiend Lich" once per turn. You can Tribute 2 "Necrofiend" monsters; Special Summon this card from your hand. If this card is Tributed: You can banish 2 other "Necrofiend" monsters from your GY; Special Summon this card.

Necrofiend Mancer
Level 3 DARK Fiend/Effect
0/2000
You can target 1 "Necrofiend" card in your GY, except "Necrofiend Mancer"; Special Summon this card from your hand, and if you do, add that card to your hand. You can Tribute this card; this turn, you can activate 1 Virus Card from your hand this turn. You can only use each effect of "Necrofiend Mancer" once per turn.

Necrofiend Nightmare
Level 6 DARK Fiend/Effect
2400/1700
You can discard 1 other "Necrofiend" monster; Special Summon this card from your hand. You can target 1 face-up monster your opponent controls; banish 1 "Necrofiend" monster from your GY, and if you do, destroy that target, and if you do that, inflict damage to your opponent equal to the banished monster's ATK. If this card is Tributed: You can draw 1 card. You can only use each effect of "Necrofiend Nightmare" once per turn.

Necrofiend Ogre
Level 3 DARK Fiend/Effect
600/1600
You can reveal 1 other "Necrofiend" monster in your hand; Special Summon this card from your hand. If this card is Tributed: You can add 1 Level 5 or higher "Necrofiend" monster from your Deck to your hand. You can only use each effect of "Necrofiend Ogre" once per turn.

Necrofiend Phantom
Level 4 DARK Fiend/Effect
0/2100
If this card is discarded to the GY: You can Special Summon this card. If this card is Special Summoned: You can add 1 "Necrofiend" Virus Card from your Deck to your hand. You can only use each effect of "Necrofiend Phantom" once per turn.

Necrofiend Reaper
Level 7 DARK Fiend/Effect
2600/2200
You can Tribute 2 "Necrofiend" monsters; Special Summon this card from your hand. You can target 1 Spell/Trap your opponent controls; banish 1 "Necrofiend" monster from your GY, and if you do, destroy that target. If this card is Tributed: You can banish 3 cards from your opponent's GY. You can only use each effect of "Necrofiend Reaper" once per turn.

Necrofiend Skinwalker
Level 2 DARK Fiend/Effect
800/1800
If this card is in your hand or GY: You can target 1 "Necrofiend" card you control, except "Necrofiend Skinwalker"; return it to the hand, and if you do, Special Summon this card, but banish it when it leaves the field. If this card is banished: You can draw 1 card, then send 1 "Necrofiend" card from your hand to the GY, or, if you have none, banish your entire hand. You can only use each effect of "Necrofiend Skinwalker" once per turn.

Necrofiend Skull
Level 6 DARK Fiend/Effect
2400/2000
You can Tribute 1 "Necrofiend" monster; Special Summon this card from your hand. You can target 1 face-up monster your opponent controls; banish 1 "Necrofiend" monster from your hand or GY, and if you do, negate that monster's effects until the end of this turn. If this card is Tributed: Target 1 of your banished "Necrofiend" monsters; Special Summon that target. You can only use each effect of "Necrofiend Skull" once per turn.

Necrofiend Werewolf
Level 4 DARK Fiend/Effect
1200/1700
You can send 1 "Necrofiend" monster, except "Necrofiend Werewolf", from your Deck to your GY; Special Summon this card from your hand, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn. If a "Necrofiend" monster is Tributed. while this card is in your GY (except during the Damage Step): You can return this card to the hand. You can only use each effect of "Necrofiend Werewolf" once per turn.

Necrofiend Realm
Field Spell
When this card is activated: You can add 1 "Necrofiend" monster from your Deck to your hand. Monsters your opponent controls lose 200 ATK/DEF for each of your "Necrofiend" monsters that is banished or in your GY. If you control a Level 7 or higher "Necrofiend": You can destroy 1 random card from your opponent's hand, and if that card is a monster, inflict damage to your opponent equal to half its ATK. You can only use this effect of "Necrofiend Realm" once per turn. You can only activate 1 "Necrofiend Realm" per turn.

Necrofiend Coffin
Normal Spell
Target 1 "Necrofiend" monster in your GY; Special Summon it in Defense Position. If a Level 7 or higher "Necrofiend" monster(s) you control would be destroyed by battle or card effect, you can banish this card from your GY instead. You can only use this effect of "Necrofiend Coffin" once per turn.

Necrofiend Contagion
Normal Virus
Tribute 1 Level 4 or lower "Necrofiend" monster; look at your opponent's hand, all monsters they control, and all cards they draw until the end of their 3rd turn after this card's activation, and destroy all those monsters whose combined ATK/DEF are higher than the Tributed monster's.

Necrofiend Epidemic
Normal Virus
Tribute 1 Level 5 or 6 "Necrofiend" monster; look at your opponent's hand, all monsters they control, and all cards they draw until the end of their 3rd turn after this card's activation, and destroy all those monsters with DEF lower than the Tributed monster's ATK.

Necrofiend Feebling
Normal Virus
Tribute 1 Level 7 or higher "Necrofiend" monster; look at your opponent's hand, all monsters they control, and all cards they draw until the end of their 3rd turn after this card's activation, and destroy all those monsters with 1500 or more ATK.