Flying (This creature can't be blocked except by creatures with flying or reach.)
As long as Weatherlight Compleated has four or more phyresis counters on it, it's a Phyrexian creature in addition to its other types.
Whenever a creature you control dies, put a phyresis counter on Weatherlight Compleated. Then draw a card if it has seven or more phyresis counters on it. If it doesn't,
scry 1
(Look at the top card of your library. You may put that card on the bottom of your library.).