The glorious thing about Death Cloud is how it reduces the overall resources in the game meaning that a small edge is relatively speaking quite a big one
One Permanent at a Time You can never control more than one permanent, except for local enchantments
Its not uncommon for collectors to have their own personal pack opening rituals for good luck, so it seems intentional that the designers offer so many ways you can customize how you open boosters
For just two mana, you can copy any enchantment you control, even making the copies nonlegendary so they don't get sacrificed
The Space Family Goblinson is one of 30 legendary creatures in the set and more than a third of them are eternal-legal, so expect them to show up soon in Commander games near you
Its a trump card that red mages have up their sleeves, so when ones defenses are too strong, theres nothing wrong in shifting the defenders loyalty to favor you even if thats just for a few phases