It may seem counter-intuitive to many people that a type of booster pack is sold for a collectible card game that isnt necessarily intended for play, but Collector Booster packs are intended to provide the best looking selection of cards in any given pack and may be just used for bragging rights, instead of being handled and shuffled in actual decks, during fraught games of MTG
When you have 10 or more cards in your inkwell, Belle becomes even more powerful, gaining an additional +4 lore
The reason Hopper isn't higher on this list is that, despite being one of the first two cards to introduce Investigate to the red colour identity, he doesn't have any ways on his own to use them effectively
Hypnotize and Improvize are two actions that replace themselves, while Strike a Good Match, Tinker Bell, Pongo, and Lucky all give you card draw while also allowing you to filter your deck and select the optimum card for each situation
many Ninja support cards are enchantments