Seafloor-land
Land-Plains Island (Rare)

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

At the beginning of your upkeep, Seafloor-land deals 1 damage to target creature you control.

2U, Tap: Draw a card, then discard a card.

2, Tap: Target land becomes a 3/3 white Soldier creature until end of turn. It's still a land.

Allan Chan