One of the rarest types of Magic the Gathering cards, artist proofs are (in most cases) limited to a maximum number of 50 in existence
Phantom Nishoba Loxodon Hierarch Nazahn, Revered Bladesmith Qasali Pridemage Saffi Eriksdotter Mystic Enforcer Knight of the Reliquary Fleetfoot Panther Gaddock Teeg Voice of Resurgence Rhys the Redeemed Tolsimir Wolfblood Wilt-Leaf Liege Sigarda, Host of Herons Sigarda, Heron's Grace Selvala, Explorer Returned Selesnya Guildmage Renegade Rallier Armada Wurm Captain Sisay Centaur Healer Dauntless Escort Dromoka, the Eternal Dragonlord Dromoka Enlisted Wurm Fleecemane Lion Karametra, God of Harvests Kitchen Finks Loxodon Smiter Mirri, Weatherlight Duelist Novablast Wurm Holy crap
That's a lot of mana, particularly without the help of the older cards to help facilitate your plans
Combined with Jadzi, Oracle of Arcavios and some Adventure copy effects, this can create an insane Storm sequence that casts your entire library in one turn
-1 extended art main set rare or mythic rare
But, along with all of the confusion, we can all agree there's a lot of effort to find the best unique art on each card
