Split cards also include the aftermath cards released in the Amonkhet block, though they have some extra rules complications
I can really see this card being a real all-star in a deck like Isshin, Two Heavens as One because you can get two triggers and choose different modes or double up on the same one depending on what you need
Klinklang's second move is called Lock Gear and for four energy cards, two each of metal and colorless, it does 60 damage and replenishes your hand to six cards
not only can it special summon itself from the hand by discarding another D/D, it also searches another D/D with 0 ATK or DEF from the deck when it is summoned, basically replacing your discard, giving you a great consistency boost
Velphito is also useful for dealing with Flip Monsters
Its main goal is to reach 20 Lore by stacking Ambers team-focused quests with Emeralds evasive glimmers, which sneak past defenses to score points quickly