The Gnome Shop

{t}: Add {u} or {g} to your mana pool.
{1}{t}: You gain 2 life.
{1}{g/u}{t}: Target creature gains Shadow, Flying, or Hexproof until end of turn.
{1}{g/u}{t}: Target creature gets +2/+2 or -1/-1 until end of turn.
{1}{g/u}{g/u}{t}: You may draw a card.
{2}{g/u}{u}{g}{t}: Gain control of target creature until end of turn, it gains haste.