That flexibility is what makes the card work
Were that much further away from War of the Spark packs being opened, and Veil of Summer was stifling a lot of decks that would have otherwise been relying pretty heavily on Teferi
The cost of colourless lands on your mana base is high and the returns here don't feel worth the cost
Its not unfathomable to imagine that, unfortunately, these will have been sold to people intending to sell them on for much higher than the recommended retail price
Sales-wise, Toph has hit the $1,800-2,750 range on TCGPlayer, while Zuko has just one TCGPlayer sale at $2,500
In most formats, losing life can be detrimental, but in Commander it is much more easily worked around, making the drawbacks of both cards not bad