Mox is analysing…
Guardian Idolutility$0.35A cheap colorless artifact creature that can sit on defense and later become an attacker or mana source. While it doesn't grant unblockable, it fills a similar utility role in colorless decks.Prophetic Prismutility$0.08A low-cost colorless artifact that replaces itself and supports deck consistency. It doesn't affect combat, but it is a similar inexpensive artifact option for utility-heavy builds.Ornithopter of Paradiseramp$0.37A cheap artifact creature that provides early board presence and utility. Like Suspicious Bookcase, it is a colorless creature that helps smooth gameplay in artifact-friendly decks.ChronomatonutilityBudget$0.06A small colorless artifact creature that plays a flexible, long-game role. It has combat utility rather than evasion-granting ability, but fits the same low-cost artifact creature slot.Walking Atlasutility$1.31A cheap artifact creature with defensive stats and utility over time. It doesn't make creatures unblockable, but it serves as a colorless support creature in similar shells.Crashing Drawbridgeutility$6.60A colorless artifact creature with defender that can grant haste to your team. It occupies a similar 'defensive artifact creature with activated support ability' role.Tower Defensecombat_trick$0.25This is a direct combat-pump style utility spell that helps creatures connect by changing combat math. It isn't an artifact creature, but it serves the same general purpose of enabling attacks to get through.Tetsuko Umezawa, Fugitiveutility$0.13This makes small creatures effectively unblockable, which is the closest functional analog to Suspicious Bookcase's evasion-granting ability. It's not colorless, but it performs the same battlefield role more efficiently.
