Rule of Threes Rings

{w}{t}: Target player gains 3 life.
{u}{t}:Draw three cards, the put two cards from
your hand on top of your library in any order.
{b}{t}: Add {b}{b}{b} to your mana pool.
{r}{t}: Deal 3 damage to target creature or
player.
{g}{t}: Target creature gets +3/+3 until
end of turn.