Of course this isnt really a new mechanic at all, just a reimplementation of the saga mechanic introduced with Dominaria (and later reintroduced with Theros: Beyond Death and Kaldheim)
As far as cards with Full Art illustrations go, this ones actually pretty basic
With Hidden Fates it was the other way around however, since the 2nd print run contained the textured and glossy misprinted versions
Darksteel Splicer (Extended Art Card) is a rare, Creature card from the Magic The Gathering set March of the Machine - Commander (MTGSC-MOC-0100)
This effect is fantastic nowadays because tons of decks actually rely on the graveyard with Dragons Rage Channelers, Murktide Regents, Snapcaster Mages, Wrenn and Six and even reanimation strategies through Unburial Rite or Living End
However, Ninetales should be the target for this as its 90-power Flamethrower is boosted to 120, which will do insane damage, especially to Grass Pokemon, who get an extra +20 damage on top of this