It's a pretty natural fit: Blex & Bleach both care about the same creature types, Blex, Vexing Pest is itself a Pest, and theres obvious lifegain overlap between the two cards
While this is a combo card, it tends to have a stronger impact earlier in the duel when you are less likely to have the Midfielder/Stadium combo
Delver of Secrets / Insectile Aberration One of the few creatures that regularly sees play in Legacy, Delver of Secrets even has a whole deck named after it
1), you can add 1 "Goddess Verdande's Guidance" from your Deck to your hand
Many of Magics strongest strategies Rise from the Grave, from reanimation decks putting Griselbrand into play for next to no mana to dredge decks that dump 20 power on board faster than you can blink
While we usually get bright scenes featuring this Fire-type Pokemon enjoying bright, sunny days, this version shifts the tone into a more serious shade