So here's all the questions I asked for those curious or wanting exact wording:   Hey Caleb, one more question about Sword-Thain: if you were to put an ally into play during your planning phase, and then play Sword-Thain on it, would it still return to your hand at the end of the phase, since Sneak Attack specifies "if that ALLY is still in play return it to your hand?"   Great question. If you use Sneak Attack to put an enemy into play, and then play Sword-thain on that ally, that ally woul