Garruks ultimate ability requires seven loyalty and gives you his special emblem
Song of the Dryads overwrites card type, subtypes, color, and abilities, but it doesn't touch the name or supertypes - so you'll have a legendary Forest with the same name as your Cloned legend, causing the legend rule to kick in
Again, special cards excluded
Our hope is this also makes things a lot clearer in terms of big game-ending cards and combos, explaining where they should show up
It stands on its own without them, providing a sac outlet, board presence, and card draw all at once, and presumably gets better with each subsequent trip to the command zone