The older pre-modern one will destroy everything power of four, but my favorite is the aftermath four-cost to destroy all three-power stuff and then five mana once later to bring back all small stuff from your graveyard to the battlefield
If you run mostly artifacts, which is an easy task in Mono-Blue, youll get to effectively draw a lot of cards via the Future Sight effect, too
Its an obvious pick, but Haze of Rage is a shoe-in for Firebending decks, as the buyback is much more reasonable
Doubling Cube $8 Doubling Cube requires the right casual deck to be good, but if youre planning to ramp pretty hard, this is a colorless Cabal Coffers a lot of the time
Special Guests cards call back to beloved treatments
To bring this flavor into Magic, the Final Fantasy x MTG Universes Beyond crossover fused two permanent types into one, creating the Magic's firstever enchantment saga creatures