I'd argue that Y'shtola falls in the "too strong" category and not a fan of how power-creepy it is, but it's hard to deny that this will excite a lot of players who like obviously powerful commanders
Add a power boost and you're winning the game in any going wide deck like Simic Ramp, Gruul Aggro or Selesnya Tokens
All it takes is one opponent not paying the one mana for Rhystic Study for other opponents to follow suit, and you reap the rewards
Nonetheless, you can't argue with drawing infinite cards
If you don't control an Army, create a 0/0 black Orc Army creature token first.) Creature - Warrior Orc Witch-king of Angmar Flying Whenever one or more creatures deal combat damage to you, each opponent sacrifices a creature of their choice that dealt combat damage to you this turn
Ravensburger didn't reveal the specific drop rates of Epic and Iconic cards, but the goal with these new rarities is to provide more excitement when opening packs