Venser can +2 to flicker a card you control to bring it back
It will definitely brighten their eyes
Red and black have a lot of great additions to support it, like Dark Ritual, Demonic Tutor, and Birgi, God of Storytelling
This effect allows you to include creatures with powerful ETB abilities and reuse them effectively, and Jeskai colors have creatures like Skyclave Apparition or owyn, Fearless Knight
Every Kaldheim Collector Booster pack contains 15 cards and 1 foil token, including 5 foil Commons or Snow Dual Lands, 2 Foil Uncommons, 1 Foil Snow Basic Land, 1 Rare Saga or special Rare or Mythic Rare not found in Kaldheim Draft Boosters, 1 Extended-Art Rare or Mythic Rare, 1 Foil Rare or Mythic Rare (Single or Double-Faced), 1 Non-foil Showcase Uncommon, 1 Non-foil Showcase or Borderless Rare or Mythic Rare (Single or Double-Faced), 1 Foil Showcase Uncommon, and 1 Foil Alternate-Frame Rare or Mythic Rare (Single or Double-FacedShowcase, Borderless, or Extended-Art)
The reason for this is most likely due to the budget-friendly nature of the card, and the slight upside Sidisi gives to a deck looking to mill itself