Historical Rules · 28 April 2017
Rule 112.6n
Official source text from the 28 April 2017 Rules release
Abilities of emblems, plane cards, vanguard cards, scheme cards, and conspiracy cards function in the command zone. See rule 113, “Emblems”; rule 901, “Planechase”; rule 902, “Vanguard”; rule 904, “Archenemy”; and rule 905, “Conspiracy Draft.”