As you gaze upon the inscription, "Seven for the Dwarf-lords in their halls of stone," you can almost hear the echoes of ancient tales and epic battles

3 Bladewing the Risen Blazing Hellhound Blazing Specter Blightning Blood Cultist Bloodsoaked Insight Bloodtithe Harvester Boggart Cursecrafter Boris Devilboon Brawl-Bash Ogre Bullseye, Death Dealer Carnage Gladiator Carnival // Carnage Carnival // Carnage Cauldron Dance Chaos, the Endless Charforger Cinder Shade Crash, Reckless Endrider Cruel Administrator Cult Guildmage Deadly Complication Deepfire Elemental Delirium Demonspine Whip Dire Fleet Captain Dire Fleet Neckbreaker Dire Fleet Warmonger Disturbing Mirth Dralnu's Crusade Eclipsed Boggart Elite Headhunter Fatal Grudge Fire Covenant Fireblade Artist Fireglass Mentor Flayer Drone Forerunner of Slaughter Forge Boss Fumarole Garland, Knight of Cornelia Garna, Bloodfist of Keld Garna, the Bloodflame Gastal Thrillseeker Ghostflame Sliver Grave Upheaval Green Goblin, Revenant Grief Tyrant Hackrobat Hellhole Flailer Hellhole Rats Hit // Run Hungry for More Incriminating Impetus Interceptor Mechan Invasion of Azgol

Efficient Construction is one of the cards that squeezes extra value from your already-good cards and makes you really go off
The only creature that you might downgrade is Nighthawk Scavenger
They have confirmed Centiskorch VMAX, Charizard VMAX, Grimmsnarl VMAX and the Legendary Pokmon Eternatus VMAX