Just as the design of the card can change over time, so too can the art description
Kraken is probably the best choice to make when casting Reflections of Littjara, as it's the most prevalent creature type, with Serpent, Leviathan, and Octopus following in that order
Throughout the years playing with her, I opted for a different path: I always added creatures that are more defensive, and offered some type of protection or advantage, and that disrupted the opponents in some way
If The Toymaker's Trap leaves the battlefield and later returns to the battlefield, it has no memory of which numbers were chosen for its effect before
Its mana value depends on the mana value of the creature I sacrificed earlier to cast it
Of course, the most expensive ever was The One Ring which sold for a whopping two million dollars