Seafloor Lowlands
Land-Plains Island (Rare)

(Tap: Add W or U to your mana pool.)

When Seafloor Lowlands enters the battlefield, return a land you control to its owner's hand.

U, Tap, Sacrifice Seafloor Lowlands: Return target creature you control to its owner's hand.

W, Tap: Target blocking creature gets +0/+1 until end of turn.

Ron Chippy