Research Base

When Research Base enters the battlefield, you
may pay {3}. If you do, draw a card.
{t}: add {c}.
{t}, Discard a card: add {u}, {b}, or {r}.
{t}, Tap an untapped creature you control: add {w} or {g}.
Stranded in the Coral Highlands for years, the Third
Fleet has learned a thing or two about the New World.