Ooziras Watchtower

{t}: Add {1}. Add {2} instead if you control
Oooziras Watchtower, Ooziras Magetower
and Ooziras Fortress.
{2}, {t}: Add {g} or {u} or {b}
{2}, {t}: Create a 1/1 green Ooze creature
with haste. Exile it at the end of turn.
If you control Oooziras Watchtower,
Ooziras Magetower and Ooziras Fortress,
the activation cost of Oooziras Watchtowers
abilities is reduced by {1}.