As a result, if the control-changing effect does not give the creature haste, we will deal with a restriction on activating abilities and attacking: The Newly-borrowed through Lay Claim, and immediately animated Mutavault cannot give mana
This also extended to dual lands
Theres a ton of self-mill, rummaging, and recursion in this deck, with a few grave-break payoffs that reward you for removing or casting cards from your graveyard
It's got an on curve 5/4 size and no one can gain life while it's out, not you or they
Whats cool is that even though youre not typically going to play Ashcloud Phoenix as a morph, it still plays nicely with Trail of Mystery when it dies, since Trail of Mystery very conveniently triggers whenever a face-down creature enters the battlefield under your control rather than whenever you play a face-down creature
It would be safe to say I never saw the average optimized list in action