Norn and Bolas

Defeated ({p/w}, {p/u}, {p/b}, or {p/r} can be paid with {p/w}, {p/u}, {p/b}, or {p/r} respectively, or 2 life. For
each {p/w}, {p/u}, {p/b}, or {p/r} paid with life, this creature enters with two -1/-1 counters.)
Flying, vigilance, decayed
At the beginning of your upkeep, put two
-1/-1 counters on Norn and Bolas.
Whenever a player casts a spell, put two
-1/-1 counters on Norn and Bolas.