Energy is harder to come by than mana (though you can bank it, unlike mana, I guess) so its weird that this isnt more pushed than creatures with similar effects that were printed at common in the past
It's not any subtype that isn't a creature type, like Food, Island, or Oko
To put things in perspective, the absolute floor for this card is to be an Ingenious Infiltrator that also rips free chunks out of your opponents life totals
Genesis Wave Rarity: Rare TYPE: Sorcery SUBTYPE: - CMC: 3 Mana cost: USD: $0.36 EUR: 0.36 TIX: 0.02 EDHREC RANK: 1385 Reveal the top X cards of your library
Not Wizards of the Coast
Your aim in this deck then, is to stick a few of the cards weve talked about, and then use cards like Tilonallis Summoner and as many Goblin token making cards as you can find, and then just swing in aggressively until youve pinged your enemies into non-existence