Suddenly, all that discard, land destruction, and card drawing they've used has backfired, as they find themselves at a low life due to Necropotence, with two (or less) lands in play, no creatures, and no cards in hand
It's worth it
Fair, symmetrical, and balanced except for the part where you float a bunch of mana and recast your spells before your opponents take their turns
This was one of the latter
Thankfully, we probably want Inalla, Archmage Ritualist as commander anyway, since it provide the Wizards Panharmonicon effect from the command zone as well as from the battlefield, which allows Naban, Dean of Iteration to be backup Inalla for even more Wizards ETB fun
If you are instructed to put a card that isn't a double-faced card onto the battlefield transformed, it will not enter the battlefield at all