If spell mastery is activated (which is easy for most decks), those lands become untapped even the lands that usually come into play tapped
However, getting to 13 creatures across all four players in a commander game is hardly impossible
Its definitely worse than either, even with the ability to tap without damaging you, but that just gives budget EDH decks a new tool to improve their mana bases
The flexibility on Farewell is awesome since you can choose to exile whatever threatens you the most, be it creatures, graveyards, or everything at once
It's not like there's an archetype that relies on low-cost, low-to-the-ground creatures to win games swiftly, right
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