Asgardian Fortifications

{t}: Add {c} to your mana pool, and add {e} onto
Asgardian Fortifications.
Pay {e}{e},{t}: Transform Asgardian Fortifications
into a 2/3 Asgardian Army creature with
defender. Untap it. You may pay {2} to undo the transformation.
Pay {e}{e}{e}: Meld Asgardian Fortifications with Asgardian Soil into Asgardian Fortress. Pay {4} to undo this process.