Maximizing profits always requires research
Imagine turning an army of Saprolings into copies of Augmenter Pugilist with the back side of the card (outside of Commander, of course)
Zimone and Dina has the awesome ability to sacrifice creatures and convert them to card draw and mana ramp, all the while draining opponents for their life
Emrakul, the Promised End + Ulamog, the Ceaseless Hunger Eldrazi are, by nature, annihilating world enders, which is a spooky premise itself
But The Lost Caverns of Ixalan wasnt just an academic exercise
With the potential to deal damage to multiple opposing characters when first played, and the ability to toss on some extra offense when banishing a card, it's easy for Tinker Bell to take care of multiple enemies at once