The problem came with the return to Zendikar, which saw the release of the cheaper Eldrazi - Eldrazi Mimic, Thought-Knot Seer and Reality Smasher
Wraith, Vicious Vigilante Loxi: This is a very solid piece for a flying men deck, although notably I think the colors restrict it from really making waves in that archetype (and since it doesn't actually have flying, it loses value in a lot of other Azorious options)
Messenger Jays either grows through +1/+1 counters or loots cards depending on what your table votes
Cavern of Souls is expensive, seeing as its a multiformat staple, but you should put it in your typal EDH decks if you have it
2/2 creatures are really easy to deal with and they dont do so well in combat, something which has gotten more prevalent in recent sets as 2/2s for 3 have become majorly outclassed by even the vanilla creatures in modern sets
Each creature with lifelink dealing combat damage causes a separate life gain event