The rule book says 40 cards and doesnt mention anything about playing more than four copies of a card
Resurrecting a legendary permanent from any graveyard other than itself, Staff of Eden provides both a threat and card advantage, assuming youre taking cards from your opponents
Whenever you attack, if a Pirate and a Vehicle attacked this combat, draw three cards, then discard two cards
If you don't control an Army, create a 0/0 black Orc Army creature token first.) Creature - Warrior Orc Witch-king, Sky Scourge Flying Whenever you attack with one or more Wraiths, exile the top X cards of your library, where X is their total power
Jeskai Flashback: If you're playing the Commander 2019 decks straight out of the box, it means that Sevinne, the Chronoclasm is your commander, and I (as well as the community at large, based on our preview rankings) think it's the worst of the face commanders in Commander 2019 by a pretty significant margin
To top it off, each Collector Booster display also includes a Realms and Relics Box Topper