Tenacious Newlyweds

When this creature enters the battlefield, place a
token creature onto the battlefield that
is a copy of this creature onto the battlefield.
If Tenacious Newlyweds would die this turn,
you may sacrifice another creature with the name Tenacious Newlyweds, if so this creature gets
+2/+2 and is unblockable this turn.
"Til Death Do Us Part." - Wedding Vows