Don't think that just because a Rector for the Arena is going to fetch out a planeswalker that it's fine
Hour of Promise is great, and you already have Deserts in your deck anyway, so making a couple 2/2 Zombies will help you live
Red often requires you to discard as part of the bargain, sometimes giving you card "selection" but not actually card "advantage." Black is the most likely to cost you life and White is just the worst, often having to rely on shutting down an opponent's extra draw in order to get your precious extra cards
In combination, they did exactly what we wanted and gave white an amazing tool to allow a very specific kind of threat, one I hope you all get to experience firsthand on your side of the table
Maybe it was miscut, crimped, or even printed with parts of another card
Beseech the Mirror Bile-Vial Boggart Billowing Shriekmass Binding Negotiation Bitter Triumph Bitterbloom Bearer Black Cat, Cunning Thief Black Mage's Rod Black Widow, Super Spy Blacksnag Buzzard Blade of the Swarm Blasphemous Edict Blight Rot Blighted Blackthorn Blood Hustler Bloodghast Bloodletter of Aclazotz Bloodline Bidding