Outside of Gen VIII trappings, returning favorites like Blaziken V and VMAX got breathtaking new variants
While the effect of this card is decent (especially the fact that you can play it for free), its likely more the artwork/character popularity combo than playability driving this particular cards value
While Endless Swarm can be a fun Hail-Mary pass in a deck driven by Seshiro the Anointed, Jetmir, Nexus of Revels, or other swarm (Beastmaster Ascension, Collective Blessing) and/or token (Parallel Lives, Annointed Procession, etc.) synergies, everything rides on your army surviving
It seems like a long and difficult process to create the cards, but its still a shame that there arent more of them
Iroas, God of Victory turns all of your attacking creatures into unstoppable threats, a great way to advance the gameplan of Open Hostility