Board Thread:Plants vs. Zombies Heroes/@comment-26239911-20170622114417/@comment-25982947-20170625171842

Crazyzombie168 wrote: Maybe it's something like if it's on the board long enough, or has gotten a kill. IDK some sort of EXP system, IDK. It can't be that because some evolvable cards have "When played" effects tied to being evolved first.

My guess is that it will be something simple like making cards that evolve other cards in your hand. Like, "When played: Evolve a random evolvable card in your hand" or "When this does damage, evolve all evolvable cards in your hand", basically do something with one card to evolve another. Or maybe even an environment, "Plants here are evolved"