During your next turn, this Pokemon can't use Mega Brave
Its Bloodthirst ability lets it come in with +1/+1 counters based on damage dealt to your opponents, and its Enrage effect lets it deal damage to an opponent, each time it takes a hit, unless they sacrifice a (non-token) creature
Just dont plan on recurring it later
Like most Pokmon cards, the value of Shining Steelix depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Neo Destiny)
Knowledge is the ultimate gem mint
But Commander via precon is the most accessible version of the game, and an IP-first entry point like Marvel is exactly the kind of on-ramp that makes the initial step feel worthwhile