And, as far as the rules go, there's a difference between cards that literally say draw in their text, and cards that say put a card into your hand or some similar wording
If a Surge Engine whose last ability has been activated leaves the battlefield and comes back, it's a new object on the battlefield and its last ability can be activated again (once it's blue, of course)
This means that if you're able to connect against all three of your opponents, Malcolm can provide impressive mana ramp in blue, providing three mana sources per turn
Maleficent appears in her dragon form in the Disney Lorcana trading cards, while Cruella de Vils strongest quality is miserable as usual. I wonder how that presents itself in gameplay
Once you start manipulating the number of cards your opponent has in their hand Skullcage is a fun way to make them take 2 damage every upkeep