If the biggest drawbacks you cite are that it doesn't hit all cards in a graveyard and the second activated ability costs too much, I'll take those drawbacks when I have the chance to recur the artifact with a Myr Retriever
But the spell/creature side of these are more efficient than the average from the Zendikar Rising modal double-faced cards and the mono-colored ones can enter untapped if you pay life, so I think many will find a home, and not just in Goblin Charbelcher decks
If you untap with it, after youve already had one combat where youre getting a team pump effect, you can deploy as many tokens as youre able to and immediately swing out with them with a team pump effect
Not really sure what else to say about that
Put an ingredient counter on this enchantment, then put an ingredient counter on it for each card drawn this way
In addition to the booster packs you can also pick up a bundle to get your set started or grab the two Commander decks to add to your collection