Mwonvuli Skyscourer

Cover {2}{g} (You may cast this card for its cover cost.
If you do, it enters the battlefield attached to target
land you control. It cannot attack or block while in
cover. Sacrifice it if the land it is attached to leaves the battlefield. You may remove it from cover any time you could cast a sorcery by paying its regular mana cost)
Reach
While this is in cover, creatures with flying cannot attack you.