pokemon scarlet and violet surging sparks booster box TCG: & Sealed Pokemon Tcg Booster Packs From The Surging Sparks Collection Best Pokémon TCG Surging Sparks

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

Covered Core X EARTH Level 7 [ MachineEffect ] ATK 2500 DEF 800 When this card is Normal Summoned, put 2 counters on it

The designers chose to represent this by adding colors to the creature's mana cost

Shake the Foundations

It brings in a 1/1 with Haste and creates more each time you target one creature with a spell

R Rare Mementotlan Fracture Dance X TRAP If you control a "Memento" monster: Target 1 card on the field