Palkia LV.X (Diamond & Pearl Promos DP18)
Palkia LV.X — 120 HP — [W]
Level-Up — Put onto Palkia
Poké-POWER: Restructure
Once during your turn (before your attack), you may have your opponent switch 1 of your Active Pokémon with 1 of your Benched Pokémon. Then, you switch 1 of the Defending Pokémon with 1 of your opponent’s Benched Pokémon. This power can’t be used if Palkia is affected by a Special Condition.
[W][W][W] Hydro Reflect: 60
You may move all Energy cards attached to Palkia to your Benched Pokémon in any way you like. (Ignore this effect if you don’t have any Benched Pokémon.)
Put this card onto your Active Palkia. Palkia LV.X can use any attack, Poké-Power, or Poké-Body from its previous level.
weakness: [L]×2
resistance:
retreat: 3
Illus. Ryo Ueda
Diamond & Pearl Promos — DP18 — Promo
GadgetJax
It seems like this would be good during the early portions of a game when you only have 1 or 2 Benched Pokemon, limiting your opponents options for swapping.