Common things one can do with Trainer cards are healing their pokemon, giving them a buff that increases their damage, or alters the field of battle to give one a specific advantage (like with Stadium cards)
When you finally do cast the spell, you do so as a sorcery
A few cards have started to pop their head up in eternal formats, but the true winners here are those of us who get giddy at seeing fun and interesting casual cards
For now, though, lets prepare our scales and rulers What Are the Dimensions of a Standard Pokmon Card
1 Land cards (Full-Art Land in 33% of boosters)
Kewl Tune and Branded remain poised to dominate, and while the semi-limit on Branded Fusion slows things slightly, it wont stop the deck from being a top contender