MoonString Amulet

{w},{t}: Create a 2/2 angel with flying.
{u},{t}: Tap target permanent, target creature you control cannot be blocked until
end of turn.
{b},{t}: Destroy target creature.
{r},{t}: Creatures you control get first strike until
end of turn.
{g},{t}: Target creature you control gets +4/+4
until end of turn