Wall of Mana (Forest/Plains)

{t}: Gain 1 Life, Add {g}{w}{c}. Activate this
ability only once during your turn.
{ut}: Draw 1 Card, End the turn. Activate this
ability only once during your turn.
{ut}: Put a Plains or Forest in play at the bottom
of your library, all Wall type creatures get
lifelink, trample, and may attack during the
battle step of this turn. Activate this ability only
once during your turn.