The lower the mana value, the better
Firstly, your odds on missing are low, when you have around 50% lands in your library your odds of missing are less than 7%
Permission is used alongside other strategies, such as board wipes and hand attacks, which all cement a decks control over the battlefield and each players hand
I dont think this green commander is enough to make green ramp compete with Simic ramp and the Aesi, Tyrant of Gyre Strait decks, but with more and more Tooth and Nail-style cards like this in green in the past few years, perhaps thats going to end up a decent deck
Should you have made your Morph unblockable through Goblin Tunneler, it will remain unblockable after being turned face-up
Just throwing that out there