Humble Defector: I played against this card in Standard, and, yes, there are ways to make it a one sided card draw, but I was not looking forward to playing it
August events: The Ruler of the Skies Emblem Event, Community Week, the Mega Houndoom ex Drop Event, and related Wonder Pick activities provide additional cards, Shinedust, Trade Hourglasses, accessories, and promo packs during August
Its also an escalate card, letting you do more if you spend more mana, like fuse cards or kicker cards
in reserve so you can trigger it at just the right time
Then you have each player exile the top seven card and until my next turn everyone can cast, and just what was exiled, and I cannot activate it save at sorcery speed
In a typical Commander deck that doesn't build around her, that will likely be: Land - pretty sure Creature - likely Sorcery or Instant - at least one, maybe both Then maybe an artifact, enchantment or planeswalker That means you could easily draw four or five cards in a typical 10 set and choose the best one for the situation, like the best land your reveal