YGO TCG: Ignition Assault Special Edition - Rules of Play says:
Reignite the Dueling fire with Ignition Assault Special Edition! Each Ignition Assault Special Edition contains 3 Ignition Assault booster packs, as well as 2 (of 4) Super Rare variant cards in every box! The immovable force of Gouki Guts along with the recursive power of Unchained Twins – Sarama give you a sneak preview at what's to come in Spring 2020's Eternity Code booster set, while 2 brand-new Link Monsters also enter the fray. Use Cyberse Accelerator to power up your Cyberse monsters by 2000 points, or let them attack twice! Or protect your other monsters with the huge Link-4 2800 ATK Gouki Destroy Ogre.