Yami Bakura Necro series adaptation (in progress)

Cursed Twin Dolls
Continuous Spell
You can only control 1 "Cursed Twin Dolls". While this card is on the field, apply these effects.
● When cards are sent to your opponent's GY, they gain 200 LP for each.
● Banish all Spells/Traps in your GY. Banish all Spells/Traps that get sent to your GY. Then for each monster currently in your GY, put 1 counter on this card. When your monster is sent from the field to the GY, put 1 counter on this card.

Counterbalance
Continuous Spell
Can only be activated if you control "Cursed Twin Dolls", also you can only control 1 "Counterbalance". During your opponent's End Phase, your opponent sends cards from their Deck to the GY for each monster on the field + the number of counters on "Cursed Twin Dolls".

Narrow Corridor
Continuous Trap
Can only be activated if you control "Cursed Twin Dolls", also you can only control 1 "Narrow Corridor". Your opponent can only attack twice during each Battle Phase. If all Spell/Trap that lists "Cursed Twin Dolls" would be destroyed by your opponent's card effect, you can send this card to the GY instead.

Necro Soldier
Level 4/DARK/Zombie/Effect
0 ATK/0 DEF
If you control "Cursed Twin Dolls": You can Special Summon this card from your hand. During your opponent's Standby Phase: You can Special Summon 2 Level 4 or lower Zombie monsters with 500 or less DEF from your hand or Deck, but destroy them during the End Phase. You can only use this effect of "Necro Soldier" once per turn.

Necro Mannequin
Level 3/DARK/Zombie/Effect
500 ATK/500 DEF
You can banish this card: Add 1 "Cursed Twin Dolls" or 1 card that lists it in its text from your Deck to your hand, except "Necro Mannequin". (Quick Effect): You can Special Summon 1 Level 4 or lower Zombie monster with 500 or less DEF from your Deck or amongst your face-up banished cards. You can only use each effect of "Necro Mannequin" once per turn.

Necro Wall
Level 3/DARK/Zombie/Effect
0 ATK/0 DEF
During your End Phase, if you control "Cursed Twin Dolls": You can Special Summon 2 "Necro Wall Tokens" (Zombie-Type/DARK/Level 1/ATK 0/DEF 0). These tokens cannot be used for the Summon of a monster from the Extra Deck. While you control a "Necro Wall Token", other monsters you control cannot be targeted for attacks.