Their deck based around The Wizard of Oz used one with the art that looked like the Tin Man
That is not a small effect, and just the tiniest bit mad, all things considered
Whenever a player casts a spell with mana value equal to the number of charge counters on this artifact, counter that spell
Even outside of that use-case, Springheart Nantuko is a fantastic creature that can generate absurd amounts of value regardless of what you may or may not bestow it upon
Starter decks are a great way to pick up and play Lorcana, but they're also the beginning of a collection, and some decks have incredibly useful, meta-defining cards in them that will save you from having to buy a lot of singles
Its expensive, but it does answer everything, and the two damage you get out of it is decent upside