The most expensive card mana-wise is Sonic Screwdriver, but it doubles as a mana rock, so it felt like a no-brainer here
Most of the cards I highlighted today are fun, unique, interesting choices for your Cube, but Icetill Explorer is none of those things
Its the printing of new support cards which can cover these crucial areas of need which has triggered the discard deck renaissance, more so even than the quality of discard spells themselves
Pirates and Angels vs Dogs and Dinosaurs
Having more ways to get the mana you need when you need it streamlines every other part of the game, after all
Board Wipes Crippling Fear and Winnowing are great budget mass removals for tribal decks as they can clear the board of our opponents while leaving ours intact