booster box 151 pokemon Collect Gathering Slim Chinese numbered cards Pokemon Scarlet & Violet 151

They have multiple different kinds of holofoil texture which you can see especially on the Darkness Ablaze Pokmon Breeder's Nuturing

The card in question was a Mew Star (Delta Species) from the 2006 Dragon Frontiers Pokmon set - a rare card that currently sells for around $450 on TCGPlayer

A High Market in the manabase, or creatures that have sacrifice abilities, or just an Oketras Monument to provide cost reduction all things that can enable Skullclamp

Sacrifice after IV.) I, II, III Create a 3/3 black Wraith creature token with menace

The key thing missing from the list above is attacking

Use Frenzied Gouging to Knock Out your opponents Pokmon, then wreak havoc by delivering even more damage with Calamity Storm