Marco the phoenix

Partner with Whitebeard,Flying
if a creature has to die you can sacrifice Marco the phoenix and the creature will not die
When Marco the phoenix dies he goes to the library as the second card
When Marco the phoenix is on the battlefield and the Whitebeard dies, Marco the phoenix has gets protection from all spell, tap on two rounds after when macro the phoenix untap gets +6/+6 and first strike,these counters will not disappear even after death