Surging Sparks is an expansion themed around the Terarium from the Indigo Disk DLC for the Generation 9 titles, Pokmon Scarlet and Violet , though it does feature varied cards that escape the general theme
If you love Rika, you won't find any better cards to collect yet, but the future might change that as Rika's popularity rises
Transmissions: The Journal of Film and Media Studies
Even better, that counts any time you cast it from your graveyard, not just using its flashback cost
Mishras Bauble is a bit more specific than a lot of my entries in this series, but the card supports a fairly wide range of things and exemplifies what I like in a colorless spell very well
Wizards and specters each have those kinds of effects over the games history, sometimes as an ETB on commons