Instead of drawing a card right away, you create a Clue token you can crack later for valueor even use in other clever ways
It would rank better if it got a land rather than a treasure token, but this is often more than enough
Unruly Krasis is pretty forgettable, but the other Simic cards arent Lonis, Genetics Expert slots nicely into Clue archetypes, providing a steady stream of Clues and payoff for cracking them
It looks like this precon is going heavy on the enchantment theme, reprinting a lot of the valuable cards to the strategy from throughout Magics history
It's even Creatures that have Green in their identity like Xenagos, God of Revels
To proliferate, you can choose any permanent that has a counter, including ones controlled by opponents, and you can choose any player who has a counter, including opponents