Mystic Remora One blue mana and no once-per-turn restriction on those noncreature spells makes Mystic Remora one of the best draw spells in blue
Similarly, if an effect attempts to put a modal double-faced card onto the battlefield transformed, it will enter transformed if its back face has a permanent type
Ursula - Sea Witch Queen also has a nicely thematic ability with You'll Listen To Me!, which disallows other characters from being exerted to sing songs
Day of Black Sun Day of Black Sun is an incredibly versitle board wipe
Pluto Determined Defender could replace Nani Protective Sister, doing a similar job but becoming a consistent lore gain for Grand Pabbie
Loose Lips One version of Knight of the Kitchen Sink has protection from loose lips. Creatures with an open mouth in their artwork are considered loose lips. Squirrellink When a creature with squirrellink deals damage, it puts that many 1/1 Squirrel tokens onto the battlefield