Losing two cards sucks, especially in a four-player game where youve stopped one other player and the other two are just celebrating, especially since youre almost never using this to protect your own win, but youre playing blue so you dont just lose to a turbo deck with a good draw, and this is what it takes
All hail our new typal overlords
Pieces like Winged Words, Distant Melody, and Kindred Discovery can help aid you in your card draw
There aren't actually that many cards under each color trio, and many of them are simply legends
If you got in on boxes under $190 when those were available in the last few weeks, you may get a chance to flip them for +$40/box at peak hype, and cracking them will be unlikely to cost you much if you need the cards
Lands often have no use late game in limited, so sacrificing a couple to give yourself a few extra cards never hurt, especially when the additional costs involved "tap" and not "spend mana"