[Updated, removed a few Pokemon and Energy to try and beef up my supporters and trainers. Also would appreciate a suggestion for a good Stadium Card for my deck {was using Pokemon Contest Hall}]
(Overall suggestions, comments and tips to improve would be appreciated, I'm just getting back in to the TCG after a long break and am trying to beef up my modern deck)

Pokemon:

x1 Team Plasma Thundurus EX - 38/116 - Black & White 9: Plasma Freeze
x1 Pikachu - HGSS03 - Heart Gold Soul Silver Promo
x1 Pikachu - 71/99 - Platinum Arceus
x1 Raichu - 8/100 - Diamond & Pearl Storm Front
x1 Zekrom - 50/99 - Black & White 4: Next Destinies
x2 Dratini - 81/116 - Black & White 9: Plasma Freeze
x1 Dragonair - 82/116 - Black & White 9: Plasma Freeze
x1 Dragonair - 3/20 - Dragon Vault
x1 Dragonite - 5/20 - Dragon Vault
x1 Snivy - 1/114 - Black & White 1: (Base Set)
x1 Snivy - 11/149 - Black & White 7: Boundaries Crossed
x2 Servine - 3/113 - Black & White 1: (Base Set)
x1 Serperior - 125/124 - Black & White 6: Dragons Exalted
x1 Turtwig - 17/17 - POP Series 8 Promos
x1 Turtwig - 1/135 - Black & White 8: Plasma Storm
x1 Grotle - 2/135 - Black & White 8: Plasma Storm
x1 Team Plasma Torterra - 3/135 - Black & White 8: Plasma Storm
x1 Pinsir - 1/99 - Black & White 4: Next Destinies
x1 Combee - 57/100 - Diamond & Pearl Stormfront
x2 Eevee - 90/116 - Black & White 9: Plasma Freeze
x1 Eevee - 83/108 - Black & White 5: Dark Explorers
x1 Team Plasma Leafeon 11/116 - Black & White 9: Plasma Freeze Theme Deck Exclusive
x1 Team Plasma Jolteon - 34/116 - Black & White 9: Plasma Freeze
x1 Team Plasma Umbreon - 64/116 - Black & White 9: Plasma Freeze
x1 Team Plasma Flareon - 12/116 - Black & White 9: Plasma Freeze
x1 Reshiram - 17/116 - Black & White 9: Plasma Freeze
x1 Victini - 14/101 - Black & White 3: Noble Victories
x1 Rayquaza - 11/20 - Dragon Vault
[Update]
x1 Team Plasma Bouffalant - 114/135 - Black & White 8: Plasma Storm

Trainer/Supporter Cards:

x1 Revive - 102/114 - Black & White 1: (Base Set)
x2 Superior Energy Retrieval - 103/116 - Black & White 9: Plasma Freeze
x1 Energy Search - 128/149 - Black & White 7: Boundaries Crossed
x1 Float Stone - 99/116 - Black & White 9: Plasma Freeze
x1 Eviolite - 122/135 - Black & White 8: Plasma Storm
x1 Rocky Helmet - 94/101 - Black & White 3: Noble Victories
x1 Team Plasma Badge - 104/116 - Black & White 9: Plasma Freeze
x2 Supporter Shadow Triad - 102/116 - Black & White 9: Plasma Freeze [ 1]
x1 Supporter Team Rocket's Trickery - 78/90 - HGSS: Undaunted
x1 Supporter Black Belt - 85/102 - HGSS: Triumphant

[Update]
x1 Supporter Skyla - 134/149 - Black & White 7: Boundaries Crossed
x1 Supporter Pokemon Collector - 97/123 - HGSS: (Base Set)
x1 Supporter N - 92/101 - Noble Victories
x1 Supporter Team Plasma Grunt - 125/135 - Black & White 8: Plasma Storm
x1 Supporter Copycat - 90/123 - HGSS: (Base Set)
x1 Switch - 104/114 - Black & White 1: (Base Set)
x1 Team Plasma Ball - 105/116 - Black & White 9: Plasma Freeze
x1 Hypnotoxic Laser - 123/135 - Black & White 8: Plasma Storm
x1 Town Map - 136/149 - Black & White 7: Boundaries Crossed
x1 Energy Retrieval - 92/114 - Black & White 1: (Base Set)
x1 Pokemon Communication - 98/123 - HGSS: (Base Set)
added [ 1] Supporter Shadow Triad = 2 total

Energy Cards:
x5 Lightning Energy
x5 Leaf Energy
x2 Fire Energy
x1 Special Energy Plasma Energy
x2 Special Energy Blend Energy (Leaf, Fire, Psy, Dark)
[Update]
Removed x1 Leaf and x1 Lightning Energy]