Watering Hole

{t} to add {w}, {u}, {r}, or {g}.
If tapped for {w}, creatures you control gain
lifelink until the end of turn.
If tapped for {u}, creatures you control gain
flying until the end of turn.
If tapped for {r}, creatures you control gain
haste until the end of turn.
If tapped for {g}, creatures you control gain
trample until the end of turn.