Christopher Columbus

You may untap a land during each opponent's
upkeep.

When Christopher Columbus enters the battlefield
or dies, you may search your library for a basic land
card, put it onto the battlefield tapped, then shuffle.

Santa Maria Drop Anchor - {g/u}{g/u}, {t}: Until end of
turn, other Servants you control get +1/+1 for each
basic land type among lands you control.