From Sylvan Caryatid to Gemhide Sliver, you see these all over, and each of these two new options and something useful to it besides just tapping for that mana
It used to be banned in Modern, but its playable now (and hasn't broken anything just yet)
With interesting abilities, striking artwork, and only 250 copies in existence, its no wonder that this chase rare from Murders at Karlov Manor tops out as the most valuable card in the set
You can use it on your turn to protect your combo or hit an opponents creature to keep them off the board
With so much strategy going into not just the playing of MTG, but also how you build your deck, being able to draw more cards can often be the difference between finding the card you need, or failing to do so and losing
Such a beautifully designed card from a flavor standpoint