Mox is analysing…
Slip Out the Backprotection$4.21Protects a creature you control from removal and other interaction for one blue mana, though it phases out instead of granting hexproof. It is a strong single-target defensive trick in the same role.Dive Downprotection$0.16A very close blue protection spell that gives a creature hexproof for one mana, with the added benefit of +0/+3. It fills the same role of cheap targeted protection.Malcolm, Keen-Eyed Navigatorprotection$0.30Not a direct combat trick, but as a cheap blue protection-style effect, it helps preserve your board through interaction in a similar tempo slot. It is more limited in scope than Mizzium Skin.Mizzium Meddlerprotection$0.15Redirects a harmful spell or ability away from your creature, functioning as a protective blue answer to targeted removal. It is a stronger reactive protection piece, though at a higher mana cost.March of Swirling Mistprotection$2.81Can protect one or multiple creatures by phasing them out, serving the same broad defensive role as overloaded Mizzium Skin. It is more flexible but costs more mana.Aegis TurtleutilityBudget$0.05A cheap blue creature that helps shield your board indirectly by soaking up attacks, but it is not instant-speed protection. It fits as a defensive utility alternative rather than a true equivalent.Blossoming Calmprotection$0.14The white version of this kind of one-mana protection spell, granting hexproof to a permanent and sometimes card draw. It is a functional analog if color identity is not restrictive.Tamiyo's Safekeepingprotection$2.85A one-mana protection spell that grants hexproof and a small buffer of life, making it a strong upgrade in resilience. It is the closest broad functional substitute outside blue.
