Forgotten Landscapes

Forgotten Landscapes enters tapped unless you control a Swamp, Island, or Mountain.
Lands you control are Swamps in addition to their other land types.
{t}: Add your choice of {r}, {u}, or {b} to your mana
pool.
{t}, {1}{u}{b}{r}: Target land you control becomes a
4/5 Fungus creature w/ haste in addition to its
other types.