/
PAscending Aven
Ascending Aven
Creature — Bird SoldierONScommon
Flying
This creature can block only creatures with flying.
Morph (You may cast this card face down as a 2/2 creature for 
. Turn it face up any time for its morph cost.)
3/2
Rulings2
2014-05-29Use the powers of the creatures as they last existed on the battlefield to determine the value of X, even if they were negative. For example, if the sacrificed creatures were 3/3, 5/5, 0/4, and -2/2, the Demon will be 6/6.
2014-05-29You choose which creature you are sacrificing first, then each other player in turn order does the same. The creatures are all sacrificed simultaneously.