The combination of relatively low cost, bodyguard, and ability that grants him a strength of five so long as he doesnt have damage on him is insane, making him very, very painful indeed to take out with a challenge
Also, I always want to make it look like the Pokmon are real, actual creatures, so I often go for intricate backgrounds to enhance that realism
Pattern Patch Gengar Gengar framed by a mix of zigzags, hearts, waves, and bold geometric shapes
Mulldrifter - a value staple of Commander for quite some time, this five-mana 2/2 flier also has evoke for three mana, allowing to to enter and trigger its ability to draw two cards before sacrificing it
With this in mind, it seems unlikely that Glorious End will show up in the main deck, but it could be a sideboard option for specific matchups (it's a hilariously effective way to win the mirror)
Scourge of the Throne, meanwhile, is best used in dedicated Dragon tribal decks where it can benefit from cost-reduction effects or tribal synergy, and the extra combat steps and +1/+1 counters from the Dethrone ability are merely bonuses that push strong Dragon decks over the top