In most competitive formats, cleaner discard is usually better: `Thoughtseize` is much stronger if legal, `Inquisition of Kozilek` is better in low-curve formats, and `Duress` is often better from the sideboard against control/combo because they do not draw a replacement
This deck is the first introduction to the color yellow in the One Piece Card Game, which tends to be a more defensive color, with healing as its main gimmick
While there arent a TON of Bears around, there are a lot of Shapeshifters and type changers that can make you a full Commander deck of furry weapons of mass destruction
Regardless, the text of the card refers to a creature with 2 power, its a green card, so using art featuring a bear is both a flavor win (especially with the paw effect), but also can act as a hint (see also: visual cue) about one creature type to complement this spell.
Kiki-Jiki would then copy the Karmic Guide, at which point Carrion Feeder would sacrifice the Kiki-Jiki, allowing the Karmic Guide to get back Kiki-Jiki, creating a loop
Once they select the card theyll send you, youll have to go back in to accept