Likely, yes, Play Boosters match the cost of a Set Booster, not a Draft Booster, which will result in Limited environments going up in cost slightly
My biggest issue with [[Avatar Aang]] is that its a fairly parasitic design
If I had one spot open for card draw in a damage-based Green deck, I'd rather run Hunter's Prowess
Number Three This card will be one of the pillars of Standard, even if it ends up seeing play mostly as a sideboard card
A lot of big creatures now though have caveats like cast triggers or if you cast it triggers, to make cheating them out less good, but even so huge creatures just getting dumped out is fairly scary
Beast Gracious Prince is the glue that holds this deck together