Blink it, or reanimate it, play it with other artifacts, or with Sphinxes that pillow fort players, and suddenly the person who just gained 100 life with an Ajani ultimate, or even went infinite with lifegain may find themselves one turn away from losing the game
With the Valeyard, potentially dealing ten burn damage is nothing to scoff at, as that's a quarter of an opponent's life
Bubble Mew (Special Illustration Rare) $508.14 Card Number: #232/091 Rarity: Secret Illustration Rare The ultimate chase of Paldean Fates
Gathering StoneGathering Stone - Fire Score of 3.06 I suspect that this card is being slotted in place of Herald's HornHerald's Horn, which is one of our Icy cards
Verdict: Japanese = better early value
It's also great in a fetchland format as it gives you a versatile mana dork that can swap to one that affects life totals