Secret Packs are normally hidden, but can be temporarily unlocked for 24 hours by obtaining keys
Its an absolute demigod-of-a-card with Evasiveness, seven strength, five will power, and two unique abilities that single-handedly uplift Ruby/Amethyst as a deck

Adventurous Impulse Amonkhet Raceway Ancient Animus Arch of Orazca Architect of Restoration Avishkar Raceway Azorius Guildgate Baldur's Gate Beacon Bolt Bitterthorn, Nissa's Animus Bloodfell Caves Boiling Earth Boros Guildgate Boulderloft Pathway Branchloft Pathway Burgeoning Canopy Vista Canyon Slough Case of the Uneaten Feast Castle Locthwain Charmed Sleep Cinder Barrens Cinder Glade Coastal Breach Cosmotronic Wave Crop Sigil Crypt of the Eternals Daredevil Dragster Decanter of Endless Water Delight in the Hunt Desert of the Fervent Destructive Tampering Dusk Legion Dreadnought Dynavolt Tower Endless Atlas Ensnaring Bridge Epiphany at the Drownyard Faceless Haven Fell Flagship Forest Forge of Heroes Frontier Bivouac God-Pharaoh's Gift Gold-Forged Thopteryx Greatsword of Tyr Hadana's Climb Henge Walker Icy Manipulator Implement of Malice Inspirit, Flagship Vessel Island Kefnet's Monument Kher Keep Lorehold Campus Lumbering Falls Luxury Suite Molderhulk Mountain Muraganda Raceway Muse Drake Mystic Forge Netherborn Altar Pact of Negation Part the Waterveil Perilous Vault Plains Polluted Delta Prairie Stream Primordial Mist Prophet of the Peak Relic of Legends Resourceful Return

Two of the TCGs most recent additions, Radiant Pokemon and VSTAR Pokemon, are heavily featured in this expansion, despite not appearing in Pokemon Go
Combo 1: Normal Summon Asteria