You make a land that counts as every basic land type, so it taps for everything
Comprehension complexity In general, we don't want common cards that are difficult for the player to read and understand what they do
As to what to actually sacrifice, dont forget that Incubator tokens are artifacts
Sokka's Haiku Thriving Isle 6 Island [QMIWFqwRUK1NLBxjbbXXL] Island Appa [5qtAqNeW80BB7BCgfUsB1S] 0014_MTGTLA_JSTheme: Librarian Theme Card Card Professor Zei, Anthropologist Suspicious Bookcase Knowledge Seeker Dutiful Knowledge Seeker Wan Shi Tong, All-Knowing Giant Koi Brainstorm Octopus Form Accumulate Wisdom Lost in the Spirit World Waterbending Lesson Zuko's Exile Thriving Isle 6 Island [QMIWFqwRUK1NLBxjbbXXL] Island Appa [5qtAqNeW80BB7BCgfUsB1S] 0016_MTGTLA_JSTheme: Spirit Jumpstart Theme Card Flying Dolphin-Fish Benevolent River Spirit Knowledge Seeker Dutiful Knowledge Seeker Baboon Spirit Flexible Waterbender Giant Koi Octopus Form Dramatic Reversal It'll Quench Ya
For players who get this scene box and want to construct a deck, its probably not a bad idea to invest in some Zendikar Rising cards, along with one or all of the Battle for Baldur's Gate decks
If you spend four or more on a noncreature spell with Shantotto out, you get to draw a card in addition to the juicy power boost