Horus Phoenix Knight

: Creatures you control lose all creature types and are phoenixes. Phoenixes have flying, haste, and lifelink
0: Until end of turn Horus becomes a 5/5 Phoenix Knight. When Horus is dealt damage prevent all but one of that damage.
0: If you control ten phoenixes and have 60 life target player loses the game. Sacrifice Horus, and half your life total.