Beautifly does not have an Ability but it does have two moves, the first move is called Triple Energy and for one grass energy card this move allows you to search your deck for three different types of energy cards and attach them to your Pokemon in any way you like
Luckily for us, there are plenty of options in Standard right now
Savage BeatingSavage Beating (27,982 Inclusions, 1% of 2,721,129 Decks) Savage BeatingSavage Beating does fit that "end it earlier" description, and can also get a couple extra mana thrown into it to guarantee the thing with an extra combat
negate the effects of your opponent's targeted monster, and if you do, equip this card to your targeted monster
Instead of flashy combos or long setup turns, Mega Lopunny ex wants to get online quickly and start forcing awkward trades