Board Thread:Plants vs. Zombies Heroes/@comment-26239911-20170625190005/@comment-25089892-20170628185207

I doubt it works this way. Probably you can play cards with Evolve on existing ones to give them new abilities. For example you can play a Fossilhead on a 1/1 Zombie to give it +3/+3, or just play the Fossilhead itself and get a 2/3 with Untrickable.