It's free real estate

{0} draw 2 cards (it's free) activate only one time each turn
{0} deals 3 damage to any target (it's free) activate only one time each turn
{0} you gain 5 life (it's free) activate only one time each turn
{0} human idiots you have get +2+2 until end of turn (it's free) activate only one time each turn