If we skirt the bare minimum, not only do we run the risk of running out, but we also get punished by cards like Burning Earth, Blood Moon, or Thalia, Heretic Cathar
Hour of Promise Five manas the point where you usually want to be making big plays instead of continuing to ramp, but some decks go so big that they just want to go little ramp into big ramp into game-winning haymaker
The effect of Moonlit Meditation's last ability applies before anything that modifies how those tokens enter the battlefield
Each song card states that a character with the right ink cost (or the special Singer ability) can sing the card by exerting that character
And because the deck isn't wasting space on energy and has so much ability to search, it can include a few singleton copies of utility cards
This supercharges the entire Hakbal game plan, and for a bargain price at just two mana.