Keeping him in the Active Spot when hes not 1HKOing things is inefficient: either hes going to ruin your Bench with Earthquake damage, or you have to attach more Energy for Giga Impact, which is 90 for FFF (which is okay, but we can definitely do better nowadays)
But getting more cards and a 3/2 (or more) every turn is huge
You can get some pretty sweet, limited edition skins, though - for example, if you bought the 'Warhammer Bundle' during the October 2023 Warhammer 40k Secret Lair, you got two codes, each good for ten premium card sleeves showing the 40k-ified versions of classic cards: Merciless Executioner as "Ork Kommando" Aggravated Assault Krenko, Tin Street Kingpin as "Makari the Lucky Grot" Zurgo Helmsmasher as "Ghazghkull, Prophet of the Waaagh!" Blind Obedience Danitha Capashen, Paragon as "Neave Blacktalon" Najeela, the Blade-Blossom as "Archaeon the Everchosen" Scourge of the Throne as "Stardrake" Beware, though - this is often the priciest way to find new codes
I've been after those for years now