Working alongside Arcanine ex, Charizard ex, or Centiscorch, who all deal massive amounts of damage, Moltres ex can completely change the tide of battle by powering up friendly fire-type Pokemon
Leak Breakdown: TCGTracker Viral & BLACKey Trademark Confirmation TCGTrackers post named Legendary Dreams as a special set post-Phantasmal Flames, igniting 86K views
Basic lands are not included in this restriction
It's the same reason many of you also mentioned Crib Swap and Mercy Killing: Making tokens while destroying things can be helpful even if you won't control the tokens
All dual sets have the same number of cards, including secret rares, in each half
Hopefully, this wont be necessary, but its better to be safe than sorry.