Spoilers and Magic Online As of June 2nd the full list of cards has been spoiled and Magic Online players have received early access to the set on the very next day, giving us a first glance at which cards will have the most impact in the format and which archetypes stand to gain the most from this new influx of cards
Beyond just being rare, thanks in part to the limited-run printing of Secret Lair drops, and their Bonus Cards, Mana Vault is insanely strong
They all famously go infinite with a certain legendary goblin and the ability to cast them at flash speed presents a narrower window for opponents and allows you to assemble the combo earlier
And Hulkbuster Armor is giving off some Colossus Hammer vibes, though with a much higher initial cost
Crovax Speaking of Crovax, he's one character who is dying for a better card
It has a public API (application programming interface) that MTG Carpenter connects to for obtaining data about any card on demand, including the cards name, image URL, and attributes (mana cost, rarity, etc.)