(If a creature with a finality counter on it would die, exile it instead.) Flashback (You may cast this card from your graveyard for its flashback cost
Seems tedious to try and fight through

Adric, Mathematical Genius Aerial Engineer Aeronaut Tinkerer Aether Chaser Aether Herder Aether Inspector Aether Poisoner Aether Swooper Aethershield Artificer Afterburner Expert Al Bhed Salvagers Alicia Masters, Skilled Sculptor Ambitious Aetherborn Arbalest Engineers Architect of the Untamed Arcum Dagsson Argivian Archaeologist Argivian Blacksmith Armorcraft Judge Ashnod the Uncaring Ashnod, Flesh Mechanist Aspiring Aeronaut Audacious Reshapers Automated Artificer Aviary Mechanic Aviation Pioneer Axgard Artisan Ayesha Tanaka Ayesha Tanaka, Armorer Bastion Inventor Battery Bearer Beamsaw Prospector Biomechan Engineer Blade Splicer Boomstacker Brenard, Ginger Sculptor Breya's Apprentice Brotherhood Scribe Brudiclad, Telchor Engineer Carapace Forger Cayth, Famed Mechanist Chief Engineer Cid, Timeless Artificer Clamavus Cloudsculpt Technician Countless Gears Renegade Cultivator of Blades Curator of Sun's Creation Cybernetica Datasmith Dalakos, Crafter of Wonders Daretti, Rocketeer Engineer Daring Archaeologist Daring Mechanic Darksteel Splicer Dauntless Dismantler Defiant Salvager Digsite Engineer Diligent Excavator Dispersal Technician Doomed Artisan Draconautics Engineer Drafna, Founder of Lat-Nam Dwarven Weaponsmith Edgar, King of Figaro Edgar, Master Machinist Elegant Edgecrafters Elvish Archivist Embersmith Enthusiastic Mechanaut Erebor Flamesmith Etherium Sculptor Experimental Aviator

Untapping any permanent has a dazzling array of uses, from netting you extra card draw with The One Ring to setting up combos with Gaeas Cradle and friends
Other than being red these do not have especially great overlap with Sneak Attack style effects
Both are worth playing in decks that support them as ways to cheat high mana costs on exceptional threats like Bolas's Citadel and Atraxa, Grand Unifier