With Iono out of the format, the only means players had of interfering with their opponent's hand was the card Unfair Stamp, which is an ACE SPEC card and thus capped at only a single copy per deck
Its also a nice way to turn all your target creature you control fights spells into creature destruction if those creatures outscale your own toughness-wise
With Kodama of the West Tree, the answers not even close
True to what the name would suggest, the Pokmon Illustrator Card was originally awarded to winners of the first ever "Pokmon Card Game Illust Artist Contest" in 1997, Japanese manga anthology CoroCoro Comic (which still publishes the Pocket Monsters title to this very day!) invited its readers to submit drawings of their favorite Pokmon for a chance to be featured as illustrations on actual trading cards
This means that you can effectively stack your deck and ensure that you'll draw the cards you desire when they're needed
Hope the Lightning is the only thing that can be destroyed in battle so far, so it won't be easy to defeat