Even if your opponent has an evasive or big enough creature that Sokrates can't block, you can tap him to prevent the creature's damage and refill you and the attacking opponent's hand
Other than Teferis Protection, no card really compares to this when you need to protect your board
This card may not be a game-ender on its own, but a combination of its high mana cost, in-world importance, and board-wide protection is sure to make a splash as soon as it hits the table
Anyway, Lotho here doesn't seem like a lot at first, but he's got a few interesting synergies that make him good as both a Commander or a creature in an Orzhov deck of some sort
A Shift 4 ability can help her get out on the board early for a little extra kick
Ulamog, the Ceaseless Hunger + Ulamog, the Infinite Gyre I love the Eldrazi