Companion decks have definitely taken a huge blow with the new ruling, but Mazemind Tome may be the card to bring out those Yorion, Sky Nomad again
1 Tytannial, Princess Of Camellias Tytannial, a member of the Plant Princess archetype, is often considered one of the strongest Plant-type effect monsters in the game
YouTuber TrustYourPilot Pokemon has a good overview of some of the decks that have been performing with Dragapult, below: Dragapult EX has a fairly cheap, very powerful attack, which deals 200 damage and places a further six damage counters on your opponent's benched Pokmon for just two energy (admittedly, energy of different colors)
There are more specific ability doublers, like Annie Joins Up and Delney, Streetwise Lookout that double enters triggers and more
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You can activate this card from your hand by paying half your LP