It used to rot in my trade binder when I was your age, so take good care of it. The Water Crystal The Water Crystal wouldnt be my first choice for a win condition, but hey, if the format is actually slow enough you could maybe attempt it
Without abilities, all a card has to stand on is its Strength and Willpower
Artifacts and enchantments are plentiful, specifically equipment and sagas, and you can fit more of them in your deck due to them being creatures (or making creature tokens on ETB)
Take a look at what the promo actually looks like via this picture from Darren Taylor who already saw the movie in the UK
The price of this card has also remained relatively steady, so anyone looking to offload duplicates wont be caught off-guard
It's really bad for your mana and a tiny bit of lifegain doesn't offset that