An explosive Snail that draws cards is certainly unique for a Rat-themed deck, but you can't really argue with the additional cards
However, in certain situations where repeated usage of foretell benefits the game plan, Foretell Art Series could see niche play in decks looking for long-term value accumulation
Kaldra Compleat (pack foil $13, sketch foil $10) There is a Spotlight Series for $120+ but I dont think its worth buying as a speculative purchase
Double Strike vs Regenerate Regenerate means that instead of a creature being destroyed, it becomes tapped, all damage is removed from it and it is removed from combat
Although there are some corner case disadvantages like the boost is set once it arrives, so if you increase the type it won't increase in size too
You don't form a band while blocking (you can already block with multiple creatures), but as long as you block with at least one creature with banding, you choose how damage is assigned