I think anyone who knew what they were looking at would have been put off by both the condition, but more importantly the fact the cards are not guaranteed shadowless
Dominaria United was the last time we saw kicker as a full set mechanic, but it's been trickled into a bunch of sets since then, and always has the chance of coming back with more support and payoffs
As always, rarity of the item makes a large difference - Hope that helped
Tri-Brigade is an archetype that can function on its own as a deck, but also can be paired with any beast, winged beast, or beast-warrior deck
In Commander, this card can effectively cut off entire decks from functioning if they rely on even-costed spells
Balmor, Battlemage Captain Aggro at its finest Balmor, Battlemage Captain is a two-mana Blue and Red 1/3 that could well be leading the charge in a lot of aggressive spell-slinging decks