Here's the thing: how fast you collect the set (how many drafts you need to do, which is proportional to how many gems you need to spend, since you can't "go infinite" with ranked drafts) depends MUCH more strongly on how many "new" Rares you collect each draft as opposed to how many games you win
Its a three mana tutor in dimir decks, though these decks are already overflowing with tutoring options
Reckless Fireweaver: Great in multiplayer and not bad elsewhere
To prevent Standard from becoming stale with the same top tier decks and fix imbalanced cards without having to ban them, these cards have been rebalanced for the Alchemy and Historic formats
Either way, Jeskas Will is here to stay
Magby features in a single deck, shared with Flareon and Flareon ex, and Eevee and Eevee ex, which sits fourth in the current rankings