Dragon decks Dragon decks still arent really a thing, given there are so few cards, but for those brave enough to risk the multi-energy options with their Dragonites, theres now a Druddigon that hits for 90 and does 20 damage when hit, but thats literally the only new card
Legendary Creature - Human Knight Color tag templates(None) Karmic Guide Flying, protection from black Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature card from your graveyard to the battlefield
3 from the main set, and Coruscation Mage and Gleeful Arsonist
So when you see a card that is strictly superior to a card that used to see play (say, anything better than Shatter), that might give you an edge (or at least a clue) in new-card evaluation