Here are some scans of the new cards if you don't know what they do.
Zorua – Darkness – HP50
Basic Pokemon
[D] Ascension: Choose 1 card that Evolves from this Pokemon from your deck, and play it on top of this Pokemon to Evolve it. Shuffle your deck afterward.
[C][C] Scratch: 20 damage.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 1
48/69
Zoroark – Darkness – HP100
Stage 1 – Evolves from Zorua
[C][C] Beatdown: Does 20 damage times the number of Darkness-type Pokemon you have in play.
[D][D] Dark Rush: Does 20 damage times the number of damage counters on this Pokemon.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 2
49/69
Darkrai EX – Darkness – HP180
Basic Pokemon
Ability: Darkness Cloak
As long as this Pokemon is in play, all of your Pokemon with any Darkness Energy attached to them have no Retreat cost.
[D][D][C] Night Spear: 90 damage. Choose 1 of your opponent’s Benched Pokemon, and this attack also does 30 damage to that Pokemon. (Don’t apply Weakness and Resistance when damaging the Bench.)
Pokemon-EX Rule: When Pokemon-EX is Knocked Out, your opponent takes 2 Prize cards.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 2
44/69
Darkness Claw - Tool
Pokemon Tool: To use a Pokemon Tool, attach it to one of your Pokemon. Each Pokemon can only have 1 card attached, and the card remains attached.
The attacks of the Darkness-type Pokemon that this card is attached to do an additional 20 damage to any Active Pokemon.
You can use any number of Trainer cards during your turn.
67/69
Bad Team’s Jimu and Sabu - Supporter
Flip a coin, if heads choose 3 cards from your opponent’s hand without looking. Then, look at those cards, return them to your opponent’s deck and shuffle the deck.
You can only use one Supporter card during your turn.
68/69
Dark Patch - Trainer
Choose 1 Basic Darkness Energy card from your discard pile and attach it to one of your Benched Darkness-type Pokemon.
You can use any number of Trainer cards during your turn.
64/69
Crash Hammer - Trainer
Choose 1 Special Energy attached to the opponent’s Active Pokemon and discard it.
You can use any number of Trainer cards during your turn.
63/69
Weavile – Darkness – HP90
Stage 1 – Evolves from Sneasel
[D] Dark Penalty: 90 damage. If the opponent’s Active Pokemon doesn’t have a Pokemon Tool card attached to it, this attack fails.
[C][C][C] Fury Swipes: Flip 3 coins, this attack does 30 damage times the number of heads.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 1
At first glance Zoroark is meh because how many good dark pokemon out there, but when you combine it with the right cards it can dom.
The List: HGSS-Dark Rush
Since we don't know for sure if it will be BW-Dark Rush when it is released, I'm making a HGSS-On and BW-On list.
4-4 Zoroark DR Main attacker
2 Darkrai EX Free Retreat and OK attack
4-4 Weavile UD/Next Destinie(Hail Blizzard) I like discards but the ND one is a little better
4 Communication
4 Collector
4 Dark Claw
4 Catcher
3 Dual Ball
4 PONT
2 Switch
4 Copycat
4{C}{C}
4 sp{D}
5{D}
Pretty much just set up your Zoroark and do mass amounts of damage.
The List BW-DR
4-4 Zoroark DR Main attacker
2 Darkrai EX Free Retreat and OK attack
4-4 Weavile Next Destinie(Hail Blizzard)
4 Catcher
4 Dark Claw
4 Communications
4 N
4 Great Ball
4 Juniper/Cheren can't decide
2 Super Rod
3 Bianca/Plus Power
4 {C}{C}
4 sp{D}
5 {D}
This deck is sometimes a little slower but usually is pretty solid.
Zorua – Darkness – HP50
Basic Pokemon
[D] Ascension: Choose 1 card that Evolves from this Pokemon from your deck, and play it on top of this Pokemon to Evolve it. Shuffle your deck afterward.
[C][C] Scratch: 20 damage.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 1
48/69
Zoroark – Darkness – HP100
Stage 1 – Evolves from Zorua
[C][C] Beatdown: Does 20 damage times the number of Darkness-type Pokemon you have in play.
[D][D] Dark Rush: Does 20 damage times the number of damage counters on this Pokemon.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 2
49/69
Darkrai EX – Darkness – HP180
Basic Pokemon
Ability: Darkness Cloak
As long as this Pokemon is in play, all of your Pokemon with any Darkness Energy attached to them have no Retreat cost.
[D][D][C] Night Spear: 90 damage. Choose 1 of your opponent’s Benched Pokemon, and this attack also does 30 damage to that Pokemon. (Don’t apply Weakness and Resistance when damaging the Bench.)
Pokemon-EX Rule: When Pokemon-EX is Knocked Out, your opponent takes 2 Prize cards.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 2
44/69
Darkness Claw - Tool
Pokemon Tool: To use a Pokemon Tool, attach it to one of your Pokemon. Each Pokemon can only have 1 card attached, and the card remains attached.
The attacks of the Darkness-type Pokemon that this card is attached to do an additional 20 damage to any Active Pokemon.
You can use any number of Trainer cards during your turn.
67/69
Bad Team’s Jimu and Sabu - Supporter
Flip a coin, if heads choose 3 cards from your opponent’s hand without looking. Then, look at those cards, return them to your opponent’s deck and shuffle the deck.
You can only use one Supporter card during your turn.
68/69
Dark Patch - Trainer
Choose 1 Basic Darkness Energy card from your discard pile and attach it to one of your Benched Darkness-type Pokemon.
You can use any number of Trainer cards during your turn.
64/69
Crash Hammer - Trainer
Choose 1 Special Energy attached to the opponent’s Active Pokemon and discard it.
You can use any number of Trainer cards during your turn.
63/69
Weavile – Darkness – HP90
Stage 1 – Evolves from Sneasel
[D] Dark Penalty: 90 damage. If the opponent’s Active Pokemon doesn’t have a Pokemon Tool card attached to it, this attack fails.
[C][C][C] Fury Swipes: Flip 3 coins, this attack does 30 damage times the number of heads.
Weakness: Fighting (x2)
Resistance: Psychic (-20)
Retreat: 1
At first glance Zoroark is meh because how many good dark pokemon out there, but when you combine it with the right cards it can dom.
The List: HGSS-Dark Rush
Since we don't know for sure if it will be BW-Dark Rush when it is released, I'm making a HGSS-On and BW-On list.
4-4 Zoroark DR Main attacker
2 Darkrai EX Free Retreat and OK attack
4-4 Weavile UD/Next Destinie(Hail Blizzard) I like discards but the ND one is a little better
4 Communication
4 Collector
4 Dark Claw
4 Catcher
3 Dual Ball
4 PONT
2 Switch
4 Copycat
4{C}{C}
4 sp{D}
5{D}
Pretty much just set up your Zoroark and do mass amounts of damage.
The List BW-DR
4-4 Zoroark DR Main attacker
2 Darkrai EX Free Retreat and OK attack
4-4 Weavile Next Destinie(Hail Blizzard)
4 Catcher
4 Dark Claw
4 Communications
4 N
4 Great Ball
4 Juniper/Cheren can't decide
2 Super Rod
3 Bianca/Plus Power
4 {C}{C}
4 sp{D}
5 {D}
This deck is sometimes a little slower but usually is pretty solid.