Astros the Ultramancer

Converge — Astros the Ultramancer enters the battlefield with a +2/+2 counter on it for each
color of mana spent to cast it.
{2}{b},{t}: Create a 2/2 Zombie creature token.
{2}{u},{t}: Draw two cards
{2}{r},{t}: Deal 3 damage to any target.
{2}{w},{t}: You gain 4 life.
{2}{g},{t}: Untap up to 5 target lands.