Dragon Of Elements

At the start of your up keep choose {w},{u},{b},{r},or {g} and for the turn all basic lands you control become the selected color
Whenever a land is tapped {w}: Gain 1 life {u}: target creature losses +1/+1 {b}: Target creature losses -1/-1 {r}: opponent losses 1 life {g}: gain target {b/g},{b/r},{g/u},{g/w},{r/g},{r/w},{u/b},{u/r},{w/b}, or {w/u} then tap this creature
[Mana put on the field due to this card stay until used]