If the Aura can't become attached to the creature (for example, if the creature has protection from black), the Aura will be placed into its owner's graveyard as a state-based action
There is one issue, however, that everybody seems to agree on: the Reserved List is a bad, stupid, backwards policy that is at best inconvenient and at worse actively killing two of the games best formats
The poor Pokemon Tyranitar is moving towards might not enjoy this Pokemon's impressive design as much as we can with this card
WotCs own ban announcement called it quite simply, too strong for the format
Once the last lore counter goes on The Great Work you can cast all your instant and sorcery spells in your graveyard for the turn, effectively giving you a ton of cards to refill your hand
Then, after going through all 10 categories, we can tally up the scores and see which Commander 2018 deck really is the best