digimon trading card game booster box TCG: Special Limited Set and [BT Digimon Card Game: [EX-09] Versus

The cards are milled all at once, which means abilities that trigger "whenever one or more nonland cards are milled" will trigger exactly once as long as at least one nonland card was milled

SE Secret Rare Fossil Dragon Skullgios X EARTH Level 8 [ RockFusionEffect ] ATK 3500 DEF 0 1 Rock monster + 1 Level 7 or higher monster in your opponent's GY Must first be Special Summoned with "Fossil Fusion"

----- Sleep ----- Effect: The Pokemon cannot attack or retreat

However, meld is not partner, meaning you can only have one half of the meld pair as your commander

Pikachu HGSS03 discards four Energy, and Pikachu BLW discards three