Coiling Ambassador

{g}, {t}: Regenerate target Elf.
{u}, {t}: Put a music counter on Coiling
Ambassador
Sacrifice Coiling Ambassador: Put {x} 1/1
green/blue Snake creature tokens into play with
"{t}, Sacrifice this creature: target creature gets
+1/+1 until the end of turn", where {x} is the
number of music counters on Coiling
Ambassador.