Hmm... These are some interesting cards. I've got a few, somewhere. These are a few examples from my custom Booster Pack. This section revolves around Zombies (In some cases, Vampires) Here's a few:
ROU-CCP007 (Common)
Vampire's Curse: Equip Spell Card
-This card can only be equiped to "Vampire Lord". Increase the ATK of all monsters with the word "Vampire" in it's name by 200 Points. Unless it's a Direct Attack, all damage done to opponent's LP from your monsters is treated as zero. When the Equiped Monster destroys another monster as a result of battle, you may Special Summon the destroyed monster to your side of the field at the end of the turn. All monsters that are Special Summoned with this cards effect are treated as Zombie-Types, and have the same effect as the face up "Vampire Lord". While this card is face up on the field, you must pay 800 LP during all of your Standby Phases. If not, destroy this card. If this card is destroyed, destroy the Equiped Monster and all monsters Special Summoned with this effect.
ROU-CCP008 (Common)
Blood of Red Wine: Continuous Spell Card
-As long as this card is face up on the field, you do not have to pay Life Points during your Standby Phases for the effects of "Vampire's Curse". Instead, decrease the ATK of all your monsters by 400 Points. You may offer one monster on your side of the field to Special Summon one monster from your hand with four stars or less in Attack Position.
ROU-CCP009 (Common)
Vampire Bat: DARK/Winged Beast-Type/3 Stars ATK/700 DEF/200
-You may offer this monster as a tribute to Special Summon one "Vampire Lord" or "Vampire Lady" from your hand to the field in Defense Position. If they are successfully Special Summoned in this way, that monsters ATK becomes 2200. If this card exists in your graveyard during your Standby Phase and while "Vampire Lord" is on the field, you may Special Summon it to the field in Attack Position. If you do, this monster cannot be offered as a tribute for a Tribute Summon, and is destroyed during your opponents next End Phase.
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ROU-CCP010 (Common)
Blood Bath: Normal Spell Card
-You must offer one monster with the word "Vampire" in it's name, or was Special Summoned to the field by the effects of "Vampire's Curse" as a tribute to activate this card. Destroy all opponent's face up monsters, and place one Counter on all of your face up monsters. Increase the ATK of all monsters with a Counter on them by 500 points. If a monster with a Counter is destroyed as a result of battle, you may pay 500 LP to prevent your monster from being destroyed (Battle calculations are done normally, then remove the Counter after the battle). During the turn this card was activated, skip your next Battle Phase.
ROU-CCP011 (Common)
Coffin of the Dark Lord: Equip Spell Card
-Select one "Vampire Lord" from either players graveyard or removed from play zone, and Special Summon it to your side of the field in Attack Position and equip it with this card. Until the end of the opponents next turn, the Equiped Monster cannot attack, and it's ATK is treated as 1000. If this card is removed from the field, remove the Equiped Monster from play.
ROU-CCP012 (Super Rare)
Ageless Vampire: DARK/Zombie-Type/8 Stars ATK/3200 DEF/500
FUSION: "Vampire Lord" + "Vampire Lady" + "Vampire Genesis"
-You may offer "Vampire Bat" From your side of the field as a tribute along with the above Fusion-Material Monster to Special Summon this creature to the field. When this monster deals damage to the opponent's LP, declare one Type of card (Monster, Spell, Trap), and search your opponent's deck and remove from play up to three cards of that type. When this card is involved in battle with another monster, increase the ATK of this card by 200 points (Do this before damage calculations). Decrease the ATK of this card by 500 Points for every LIGHT-Attribute monster face up on the field. Whenever this card deals damage to opponent's LP, you may Special Summon one of the Fusion-Material Monsters mentioned on this card to your side of the field in Attack Position. (Creatures Special Summoned this way can't attack during your next Battle Phase.) During the End Phase of any one of your turns this card didn't destroy a monster as a result of battle, decrease this cards ATK by 1000 points, and reduce your LP by the same amount. If a LIGHT-Attribute monster exists on your side of the field, destroy all DARK-Attribute monsters on your side of the field. If this card exists in your graveyard, you may Special Summon it back to the field by offering one monster on your side of the field, and skipping your next Draw Phase.
ROU-CCP013 (Common)
Essence of Vampire: DARK/Zombie-Type/4 Stars ATK/400 DEF/300
-This monster can be Special Summoned from your graveyard if you control one or more face up Zombie-Type monster(s). As long as another Zombie-Type or DARK-Attribute Monster is face up on the field, this monster cannot be targeted by an attack. This card cannot be offered as a tribute for a Tribute Summon, and is destroyed during the end of the turn when another Zombie-Type monster does not exist face up on your side of the field.
ROU-CCP014 (Rare)
Cell Reanimation: Continuous Spell Card
-When this card is activated, select two monsters with 6 Stars or less in your graveyard. As long as this card remains face up on the field, if the selected monsters exist in the graveyard at any time, Special Summon them to the field. If this card leaves the field, remove the selected monsters from the game. Pay 1000 LP during your Standby Phase, or this card is destroyed. All damage inflicted to the controller of this card involving the selected monsters is doubled.
ROU-CCP015 (Rare)
Zombify: Quick-play Spell Card
-Special Summon one monster from any graveyard to the owners side of the field. That monster is treated as a Zombie-Type creature, and decrease it's ATK and DEF by 500. If the monster is destroyed, remove it from the game instead. The selected monster cannot attack this turn, and cannot be offered as a tribute for a Tribute Summon.
ROU-CCP016 (Common)
Rotting Away: Normal Spell Card
-Destroy one opponents monster, and deal 200 points of damage times the number of Stars it has to the opponents Life Points. That monster is Special Summoned to the opponents side of the field as a Zombie-Type monster at the end of the turn. When the monster is Special Summoned, reduce it's ATK by 1000 points.
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