Having access to more mana will also let you play more cards, which will give you the ability to progress your plan and respond to your opponents efforts to do the same
Adding an enchantment diversifies your card types for delirium and works with cards like Six and Dundoolin Weaver that care about permanents
This doesn't change the fact that the permanents phase in simultaneously, however
It has all kinds of variations based around adding or subtracting certain cards, but ultimately a Stage 1 card capable of doing 130 damage on two energy is always going to be a powerhouse choice
In the case of Simic Aggro and Bant Airbending, it provides an aggressive body while letting you turbo out massive threats
This can become handy when youre holding a card and dont want your opponent to know you have an action, as if you press it quickly, it creates the sensation that you arent holding priority for anything