For collectors buying multiple boxes per set, that difference adds up fast
Magma Jet is just too weak at two mana to see cube play and would have been reasonable at one and fair at both one and sorcery speed
Two cards that are iconic in terms of the setting of the show are Set Phasers to and Consider the Prime Directive
Ill attack someone else with my creatures this turn to keep it even. An apology for the bad luck of someone eating some random damage coupled with you not aiming anything at them for a turn can go a long way toward making it look like you just have a wacky pile of randomness and arent maliciously trying to hurt anyone when in reality, you dont care who gets a vial smashed against their dome as long as it helps the game end quicker
If you dont think thats good, you can flex into a more combo-centric build
Whats great about these types of artifacts is that, while they generally have some use outside of mana or make mana already, theyre mana-positive spells that come online through Urza, Lord High Artificer