Can you use Terrakion EX's "Pump-up Smash" attack if you don't have 2 basic Energy cards in your hand?
Yes, you can. You do the 80 damage then attach either one or no Basic Energy, depending on what you have in your hand.
Pump-up Smash





x2
Rock TumbleThis attack's damage isn't affected by Resistance.


Pump-up SmashAttach 2 basic Energy cards from your hand to your Benched Pokémon in any way you like.
Can you use Terrakion EX's "Pump-up Smash" attack if you don't have 2 basic Energy cards in your hand?
Yes, you can. You do the 80 damage then attach either one or no Basic Energy, depending on what you have in your hand.