For example, you can't sacrifice a Clue token to activate its own ability and also to activate Alquist Proft, Master Sleuth's ability
Theres the downside that it might not get to hit certain cards if they have an odd mana value, but I think being able to hit each opponent and possibly get one of your own permanents back from the graveyard makes up for that
280 cards make up the set: 112 commons, 80 uncommons, 53 rares, 15 mythic rares, and 20 basic lands
Outside of the somewhat meh Flare of Cultivation each of these can be played at instant speed and offers incredible utility
Go-Shintai of Lost Wisdom Long ago, an ambitious professor at Minamo Academy believed she could learn all the secrets of the universe if she could simply channel the correct kami
The main thing here is making them unblockable, but that shouldnt be too hard