A vanguard card may have any number of static, triggered, and/or activated abilities. As long as a vanguard card is in the command zone, its static abilities affect the game, its triggered abilities may trigger, and its activated abilities may be activated.
July 23, 2021 · Adventures in the Forgotten Realms
A scheme card may have any number of static, triggered, and/or activated abilities. As long as a scheme card is face up in the command zone, its static abilities affect the game, its triggered abilities may trigger, and its activated abilities may be activated.