Beast Gracious Prince is the glue that holds this deck together
Fairly one-directional if youre building this as your commander, but its vehicle abilities make it good in the 99 elsewhere
If I had one spot open for card draw in a damage-based Green deck, I'd rather run Hunter's Prowess
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
You can get protection from everything (Progenitus)
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