Here you can put them onto your library and draw them with a free death trigger like Harvester of Souls
A creature with both First Strike and Death Touch can deal damage before the opposing creature gets a chance to attack back
Franc : From the standpoint of a graphic design director, I think there are many layers to the appeal of Pokmon TCG cards, with the card art being one of the main things that draws you in at first
Constructs generally want other constructs so here are some solid ways to construct constructs, with both commanders and non-commanders: Urza, Chief Artificer, Mishra, Eminent One, Vihaan, Goldwaker, Dollhouse of Horrors, Digsite Engineer, and Simulacrum Synthesizer
Gogoat can be obtained from Genetic Apex: Charizard pack in the Genetic Apex set