At most levels of casual play, getting back two creatures for three mana is a hell of a deal, especially given so pairs of creatures can either synergize or straight up combo
There are over 200 cards in The First Chapter set of cards, and many characters will be associated with multiple cards
Edited to be slightly higher resolution and to add Gabranth, because he's a badass
Falling into the Ruby ink type, Aladdin - Heroic Outlaw has a high summoning cost of 7 ink, but, like some other cards, has the "Shift" trait, so it can be played on top of an already-in-play Aladdin card for only 5 ink
That means you cast a five-mana planeswalker and still hold up interaction on your opponents turn
Lithoform Engine Lithoform Engine requires lots of mana to get going, but the reward