Roiling Animus

(Mantle lands may be attached to other permanents)
{t}: Add {c}
Enfolded creature gets +1/+0, has "{t}:Add {x}, where X is this creatures power."
Enfold: {5} ({5}: Attach to target creature you
control;or unattach from a creature. Enfold only
as a sorcery. An enfolded mantle land is still
a land.)