For Whimsicott:
Head Start
Any attack on any Pokémon in play that requires 1 or less energy cards to use can be used without any energy.
For Eelektross:
Livewire
If your opponent has any Pokemon in play, you may attach a energy card from your hand to Eelektross in addition to your normal energy attachment.
For Cofagrigus:
Tomb Sealing
As long as Desukan remains on the field, your opponent cannot draw any cards from any of their Pokémon's attacks.
For Serperior:
Lordly Stance
Each of your evolved Pokémon (besides Serperior) can use the attacks of any Pokémon underneath it.
For Litwick:
Ballad of the Candles
Once during your turn, before your attack, if Litwick is your Active Pokemon and you have 3 Litwick on your bench, you may search your deck for a Chandelure and place it on Litwick (this counts as evolving Litwick). Discard the other 3 Litwick (your opponent does not draw a prize card for this).
For Emboar:
Prominence
If you have more than twice the number of cards in your hand than your opponent, ignore all energy requirements for Emboar's attacks.
For Landorus:
Menacing Gaze
As long as Landorus is on your Bench, any attacks without effects do 20 more damage to the Defending Pokémon. You can only use 1 "Menacing Gaze" Ability at a time.