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
From what I've seen, Riftbound doesn't have a ton of ramp, and one energy can make all the difference
This was the deck that introduced Raiden, Hand of the Lightsworn to the archetype, whose effect of sending two cards from the top of the deck to the graveyard both during your Main Phase and End Phase is effective at improving the decks consistency by cycling Lightsworn monsters into the graveyard for their effects to activate
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