Modern Sonic

Haste/First strike/Vigilance
{r/g}{r/g} apply haste to any one of your creatures (can only be used once per turn)
{g} add one green land card to your hand (can only be used once per turn)
{r} weaken on of your opponent's creatures by (-1/-1) (can only be used on one particular creature of your choice per turn)
''Live and learn!"