yu-gi-oh ccg: booster box: maze of millennia | It’s a must for Duelists interested in the upcoming new theme from Phantom Nightmare Yu-Gi-Oh!'s Maze of Millennia set

The tray features 24 compartments: 15 slanted deep cells, 5 slanted shallow cells, and 4 square deep cells, allowing for efficient organization

Superdreadnought Rail Cannon Juggernaut Liebe Superdreadnought Rail Cannon Juggernaut Liebe Machine XyzEffect Once per turn, you can also Xyz Summon "Superdreadnought Rail Cannon Juggernaut Liebe" by using 1 Rank 10 Machine Xyz Monster you control as material

Fusion Summon 1 Rock Fusion Monster from your Extra Deck, by using monsters you control or in your hand as Fusion Materials

You can use this effect at instant speed, allowing you to keep mana up for interaction and then dump it into Heliod, God Of The Sun's effect before your turn comes back around