It is possible that they recommended this collaboration to Game Freak / Creatures for Pokmon
From what I've seen, Riftbound doesn't have a ton of ramp, and one energy can make all the difference
This isnt always the case, though
Once while face-up on the field, if the effect of a monster on the field is activated (Quick Effect): You can detach 1 material from this card
Unchained Abomination X DARK Link 4 [ Fiend / LinkEffect ] ATK 3000 DEF - 2+ monsters, including a Link Monster If a card(s) on the field is destroyed by card effect, except by "Unchained Abomination" (except during the Damage Step): You can target 1 card on the field
His signature monster and the engine behind that famous thousand-year gamble, its one of the most submitted and most popular monsters in the entire set