It's probable all those Multiverse Legends are skewing things, since every pack has one, and more of them are first-pickable than BRO's Retro Artifacts
Your opponent is then unable to cast spells, while you use artifact mana and low casting casts to slowly escape from jail and take control of the game while keeping your opponent locked down
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