Why not change unbound's reminder text to say "this permanent" instead of "this creature" and use it on both faces?

I recall during playtests having had issues with the original Epiphyte Elder and consider this an improvement on those issues and interesting choice; transforming upon dying means, you don't pay for the land with a creature.

You know, that is very tempting. Unbound could be a more expansive mechanic that way, easily usable on lands at least.

Overall, I am not fond of the Discovery requirement thing on some of the cards we came up with. I really wish there was some way to tweak Discovery more, or replace it with something else land themed.