The important thing is that these creatures are good mana sinks and they're flexible enough to see play or to leave your opponents guessing about what abilities you might activate
I dont have the necessary wildcards, and I require three Cavern of Souls to build this deck
Affinity An ability that reduces the cost of a spell depending on how many Equipment, Towns, orBirds you have in play
I tried putting together a decklist that combined Esika, Kinnan, and Kolvori and couldnt come up with anything satisfying quite yet, but it feels like its only a couple of legendary creatures away from being able to do some disgusting things, so keep your eyes open as preview season continues to find out whether such a deck can become a reality
Unless you have a specific personal reason to buy right now -- say, you pulled a second copy at prerelease and want a display piece -- there's no financial case for week 1 prices
You can just use opaque normal-sized sleeves for your deck