Its kind of like an investment in your future self in each game
To work around this, Moltres ex is the perfect secondary addition, as it can help provide extra Energies every turn through the Inferno Dance Ability
Witchstalker is a good option for sideboard, try to use 4 Silhana Ledgewalker, she's fasten and much more hard to be blocked
A Normal Summon can be done once per turn, and there is no limit on Special Summons
Unification of the Cubic Lords may never be viable to use its first effect to Fusion Summon the Cubic Fusion monster, Crimson Nova Trinity the Dark Cubic Lord, using 3 of your Crimson Novas, but its GY effect can be used to Special Summon any level 4 or lower Cubic from the hand or deck (ignoring its summoning conditions) if a Cubic is destroyed by battle or leaves the field
Early on it is just such a poor tempo play with no significant value