I think Alchemy is a cool experiment, but it hasnt caught on in a big way
Streets of New Capenna Fetches These peculiar lands do get you additional land triggers, but the land they get must be a basic land, and that land enters tapped
Theres a handful of free spells, and a cycle of legendary Spellshapers that are reminiscent of the first two sets, but the Rhystic tax mechanic, and cards that wanted you to sacrifice lands, were a big deal in Prophecy
Theres a major downside: Roaring Moon ex then does 200 damage to itself
----Transform---- Avacyn, the Purifier Legendary Creature - Angel 6/5 Flying When this creature transforms into Avacyn, the Purifier, it deals 3 damage to each other creature and each opponent
it means you can get lots of extra mana if the creature generates mana, attack with abandon because youll be able to defend and, if your creatures have activated abilities, youll get to use them more