Genex Power Crusher

[インフェルニティ・ミラージュ]

Name: Genex Power Crusher
Level: 9
Card Type: Synchro
Type: Machine
Attribute: Dark
ATK: 2200
DEF: 2200
Effect:
Genex Controller + 1 or more non-Tuner monsters
This card can only be Summoned from your Extra Deck. As long as this card remains Face-Up on the field, monsters you control cannot attack.(excluding this card.) During each of your Standby Phases, you can have this card gain 300 ATK. This card cannot declare an attack the turn you activate this effect. Each time this card destroys a monster, you can pay 1000 Life Points to destroy 1 card on the field.

[Toffee.]

IMO, it seems a little underpowered.
And your OCG is a bit off:
[quote]
OCG-fix
"Genex Controller" + 1 or more non-Tuner monsters
This card can only be Special Summoned by a Synchro Summon. As long as this card remains Face-Up on the field, other monsters you control cannot declare an attack. Once per turn, during your Standby Phase, you can increse the ATK of this card by 300. The card cannot declare an attack during the turn this card's effect is activated. Each time this card destroys a monster by battle, you can pay 1000 Life Points to destroy 1 card on the field.[/quote]