I have to agree with the consensus that this card is a bit strange, but I don't necessarily think it should grant clues or some such
Of course, it's hard to imagine a Charizard card would stay cheap forever, especially paired with a likable trainer, like Leon
Confusion can disrupt your opponent's strategies, making Xurkitree a valuable card for Electric-type decks
Live Twins also help out the Sprights by being level two monsters on the board that fulfill the requirement needed to start spamming out Sprights from the hand
Avoid wasting slots on cards you will not cast
Since a relatively pure Train Deck is heavily geared towards going second, the Deck's gameplan can be often derailed when going first due to the limited interactions the Deck can put up against the opponent, with the typical "end board" only consisting of a single Rank 10 interruption ("Super Dora" / "Gustav Rocket" / "Varudras")