Primordial of Phoenixes

Flying, Haste
Emerge {4}{r}{r}
When Primordial of Phoenixes enters the battlefield, untap it. It attacks this turn if able. Then for each opponent, choose a creature he/she controls. Those creatures must block Primordial of Phoenixes if able.
Phoenixes you control have "When this creature dies, return it to the battlefield tapped at the beginning of the next upkeep".