Sapphire continues the trend from Rise Of The Floodborn of showing how powerful synergy between characters can be with Huey, Dewy, and Louie, particularly with Huey's ability, Three Nephews, which allows you to draw three cards if one of each of the Nephews is on the field
Ditching white also means you lose access to Ketramose, one of the decks best draw engines
Sudden Chill and Hypnotize are additional discard options, but the opponent gets to choose which cards to discard, reducing their resources
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This should give us a good baseline for the cards value and demand pattern