14 cards where the card has the keyword “Totem armor”

Bear Umbra (Neon Dynasty Commander #113)
Boar Umbra (Ultimate Masters #158)
Crab Umbra (Rise of the Eldrazi #58)
Drake Umbra (Rise of the Eldrazi #63)
Eel Umbra (Double Masters 2022 #48)
Eland Umbra (Rise of the Eldrazi #19)
Felidar Umbra (Planechase Anthology #6)
Hyena Umbra (Double Masters 2022 #13)
Indrik Umbra (Planechase Anthology #96)
Mammoth Umbra (Ultimate Masters #24)
Octopus Umbra (Commander 2018 #11)
Snake Umbra (Neon Dynasty Commander #130)
Spider Umbra (Ultimate Masters #184)
Treefolk Umbra (Modern Horizons #185)

The message was clear to Sorin—time to search for something else.