These spells will be popular, in demand, and you should feel good about buying this set of cards
It's been a while, but I've come back with a cheapo deck that you can crush your playgroup with and make them hate everything Blue
A premier example is the Pauper Faeries deck that focuses less on controlling the game and more on disrupting the opponent while beating down with small fliers
Classics like Sol Ring and Arcane Signet can fit in just fine, but the best mana rock is definitely Chromatic Lantern, to give me perfect fixing
The ideal line is to get a powerful Equipment card into your graveyard before attacking with Ratonhnhakton unblocked, creating a 1/1 black Assassin creature token with menace, and returning that Equipment card from the graveyard to the battlefield and then attaching it to that token
You choose one of those cards