Its effect is confirmed!

Makai Gekidan – Wild Hope / Abyss Actor – Wild Hope

Level 4 DARK Fiend-Type Effect Monster

ATK 1600

DEF 1200

Pendulum Scale: 2

Pendulum Effect:

(1) Once per turn: You can target 1 “Abyss Actor” card in your other Pendulum Zone; its Pendulum Scale becomes 9 until the end of this turn, also you cannot Special Summon monsters for the rest of this turn, except “Abyss Actor” monsters (even if this card leaves the field).

Monster Effect:

You can only use the (2) effect of “Abyss Actor – Wild Hope” once per turn.

(1) Once per turn: You can make this card gain 100 ATK for each “Abyss Actor” monster with different names you currently control, until the end of this turn.

(2) If this card is destroyed by battle or card effect: You can add 1 “Abyss Actor” card from your Deck to your hand, except “Abyss Actor – Wild Hope”.

Source