After the rise in Commander's popularity, competitive players started leveraging the Enchantment as a way to draw extra cards in the early game, while opponents deployed all their mana rocks and ramping spells
Swapping in the Spirit Dragon Teval, the Balanced Scale gives you a neat ramp package when attacking, letting you mill three cards and then get a land from your graveyard back to play
This is the sweet spot in Commander to me: the power-to-dollar ratio is at its highest around this price point, and can be easily tweaked to increase or decrease in power as you see fit
If you can afford it, this is the best EDH card on the market, but there are some better cards at ramping you up long-term
For modal double-faced cards in this set, these icons are a single black triangle for the front face, and a double white triangle for the back face