Many of the cards in Arabian Nights are a part of the Reserved List, a select handful of cards that are never going to be reprinted
First edition Pokmon cards, peculiar misprints, and desirable old promos all fetch very high prices
+1: Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token." 4: Chandra deals 8 damage divided as you choose among any number of target creatures and/or planeswalkers
Four mana for a card roughly adjacent to Saheelis Artistry and its many iterations, but for two mana less
it doesn't turn the plotted card into a proper sorcery
ex Pokemon are strong cards to play during a match which can easily turn the tide of battle, but you may not get plenty of these cards early on