You start the game with every selected conspiracy in the command zone and they stay there for the rest of the game, having their effects work whenever theyre supposed to
While gameplay details for Lorcana are still largely under wraps - Ravensburgers initial release promised thoughtful and unique gameplay, while co-designer Ryan Miller told Dicebreaker at D23 that specifics would be revealed next year - the games first cards will arguably do little to fend off assumptions that the card game is effectively Magic: The Gathering in Disney cosplay
Maximizing this Sultai commander requires combining creatures with lots of keyword abilities (Nightveil Predator, Venomthrope) with cards that sacrifice them (Phyrexian Altar, Deadly Dispute) to stack a bunch of keywords on Rayami
If you do activate it, you can make an attacking creature unblockable, including Taeko himself
What Im proposing is really a refinement of the established game plan
But certainly more than 50% of the time