Trainer cards take up most of a Pokemon TCG deck, since they can help the player in many ways, such as taking a specific card from the deck, drawing more cards, healing a Pokemon, and even disrupting the opponents strategy
This made many of the first Lesson cards a lot less exciting and impactful
The low mana cost makes it an effective target for a Whir of Invention to catch opponents by surprise and stop them from making explosive graveyard plays
Sadly, while Zilortha, Apex of Ikoria is a very useful and powerful dinosaur, you do have to defeat the battle to get them
My personal favorite battle, Invasion of Ikoria, offers a flexible ability on the front that scales at different points of the game, and then sets up an outright win on the back with a giant creature that features a unique ability of its own to push through massive damage against your opponent
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