Not every valuable card has to cost a fortune in fact, some of the best modern Pokmon cards to buy now are still priced under $100 in raw, ungraded condition
Yes, you lose some life every turn, but The One Ring is also indestructible, making it extremely difficult for your opponents to interact with, and you really should have some bounce spells to maximise the potential of The One Ring (and to not lose too much life)
The number of cards is small enough that I feel the need to try and remember everything my opponent could have in their hand
It can sit around on the board as a draw payoff that widens your board with hasty fliers, and its activated ability can feed into it, too
Sorcery Color tag templates(None) Vandalblast Destroy target artifact you don't control
10 Blastoise Promo-A, Card #29 Here we can see the lone Blastoise, lounging in a downstairs or basement-level garage or workshop of some sort with tools and even an old engine