If the card has any mandatory additional costs, such as the commander tax, those must be paid to cast the card
Although Deaths Shadow gets all my love and passion, I personally dont see the card as a true number 3 contender when making the list
Similarly to Missy, The Master, Gallifrey's EndThe Master, Gallifrey's End takes advantage of your creatures' deaths by giving an opponent the villainous choice of allowing you to create a token copy of each dead creature or lose four life
The cards from Unstable play with the rules of Magic and that results in maximum pleasure
One minor note about the sideboard: Anger of the Gods is partially selected as a sweeper to let us combat G/W/x Aggro and Burning-Tree Emissary decks but also as a potential answer to Fiendslayer Paladin, who could be a real problem
Now, Pokmon are very strict with what goes out to the public, with deep reviews and quality checks before even making it to print