Being a creature beholden to removal and summoning sickness makes this weaker than the enchantment but its far more accessible and is still great for decks that want a repeatable tutor or a way to keep throwing creatures in the graveyard
Rogues Passage, Communal Brewing, Rune-Scarred Demon, and Secret Rendezvous all cost just $0.40-0.60, adding just under $2 to the drop in total
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Reid Duke has toyed with this concept as well, and Chris VanMeter, who was my original inspiration for exploring the shell, played the following version of it in this Versus video
While the deck mostly ignores the aura text on Wyleth, it includes Spirit Mantle and Unquestioned Authority, two of the stronger Voltron auras since they make your creature unblockable
Aside from the threat the +1/+1 counters create themselves, many of the creatures synergize quite well with them