Letting you look at the top card of your library anytime and cast dragons directly off the top means you essentially get an extra card in hand every turn if your deck is built right
For some reason, of the 20 different evolutionary lines of Trainers Pokmon, seven belong to N, seven to Hop, and only two each for Iono and Lillie
Theyre not seen in play outside of limited formats, and on the secondary market only the enchanted rares are often worth enough to make pulling them exciting
Unless every single creature is odd or even mana cost, you wont be able to remove everything
Seeing as Commander games are chock-full of legendary cards (both commanders and within the 99), it makes sense that the Empress remains a potent threat and quite valuable even today
This has multiple uses, such as diminishing your opponents resources, retrieving cards that you previously inked back to your hand, and being able to control the board