Consider Hypnotic Grifter, a 1/2 creature for one Blue mana with the elegant rules text, "3: Hypnotic Grifter Connives." Wizards of the Coast consistently includes the reminder text about Connive in the card's text box, just in case players haven't seen the mechanic before
X Ball deals 20 damage times the number of Energy cards attached, though the drawback is that it also hurts Mewtwo alongside the defending Pokmon
Pichu : Take an Energy card from your discard pile and attach it to one of your Benched Pokemon
It's also possible to place this on an opposing creature if it gives you more bounce for your buck, but then you'd lose that counter
Phantom Warrior Image Image 33
You need a card to counter abilities, like Voidslime, but then you'd also need another counter for the beefy body which is also a win con