Lotus Samurai

For each{w}{u}{b}{r}{g} spent to cast this spell, when
Lotus Samurai enters the battlefield:
{w} - Gain 1 life.
{u} - Scry 1.
{b} - Each opponent discards 1 card.
{r} - Deal 1 damage to any player.
{g} - Put a +1/+1 counter on this creature.
All life stems from the Lotus, and thus must return.
We shall defend our home with our lives.