While this transformation into a Vehicle only lasts until the end of the turn, it can provide some offensive benefits to artifacts and enchantments
The mechanic disappeared right after in Eldritch Moon because the story shifted toward cosmic horror once Emrakul showed up, there werent any mysteries left to solve
Ancestral Recall is widely considered the best blue card in MTG , as being able to draw three cards for a single mana gives players an unmatched level of efficiency
With a low price and silly artwork, this card can be a fun addition to multi-color decks when you pair it with something like Nine Lives , Demonic Pact , Archfiend of the Dross or any other cards that can impose a stipulation that will cause the person holding the card to lose the game

Mizzix's X-Spell X-Travaganza Mizzix of the Izmagnus | Illustration by Cliff Childs Commander (1) Planeswalker (1) Creatures (18) Archaeomancer Archmage Emeritus Baral, Chief of Compliance Birgi, God of Storytelling Curious Homunculus Docent of Perfection Electrostatic Field Goblin Electromancer God-Eternal Kefnet Guttersnipe Iron Myr Jori En, Ruin Diver Silver Myr Spectacle Mage Storm-Kiln Artist Thryx, the Sudden Storm Veyran, Voice of Duality Young Pyromancer Instants (25) Aetherize Blue Sun's Zenith Brainstorm Comet Storm Commune with Lava Counterspell Cyclonic Rift Dominate Drown in Dreams Electrodominance Fact or Fiction High Tide Increasing Vengeance Magmaquake Mindswipe Mystic Confluence Opt Power Sink Ravaging Blaze Reality Spasm Reiterate Seething Song Spell Burst Stroke of Genius Syncopate Sorceries (16) Banefire Blasphemous Act Burn from Within Curse of the Swine Earthquake Finale of Revelation Fireball Jaya's Immolating Inferno Jeska's Will Kaervek's Torch Mana Geyser Mass Manipulation Mind Spring Mizzix's Mastery Red Sun's Zenith Vandalblast Enchantments (5) Aria of Flame Propaganda Rhystic Study Thousand-Year Storm Underworld Breach Artifacts (6) Arcane Signet Lightning Greaves Mana Crypt Sol Ring Swiftfoot Boots Thought Vessel Lands (28) Command Tower Evolving Wilds Island x11 Mountain x11 Temple of the False God Volcanic Island Sulfur Falls Steam Vents Experience counters were a pretty terrible mechanic, and Mizzix of the Izmagnus was the worst offender

It mainly depends on your playstyle