This card was only available to participants who reached the 8 point level in the 2017 Pokemon Card Festa tournament, in Japan, in April, 2017
Because you actually draw the cards with Brainstorm, you can "replace" two of the cards in your hand with cards that you draw
1 Pack = 5 Cards All 80 types +

Abstergo Entertainment Academy Ruins Adanto, the First Fort Atzal, Cave of Eternity Azcanta, the Sunken Ruin Baldur's Gate Barad-dr Barracks of the Thousand Boseiju, Who Endures Boseiju, Who Shelters All Dark Depths Dark Depths Eiganjo Castle Eiganjo, Seat of the Empire Eye of Ugin Flagstones of Trokair Gaea's Cradle Gallifrey Council Chamber Geier Reach Sanitarium Gemstone Caverns Gods' Eye, Gate to the Reikai Hall of Heliod's Generosity Hall of the Bandit Lord Hammerheim Inventors' Fair Itlimoc, Cradle of the Sun Jurassic Park Karakas Keldon Necropolis Kher Keep Kor Haven Metzali, Tower of Triumph Mikokoro, Center of the Sea Minamo, School at Water's Edge Minas Morgul, Dark Fortress Minas Tirith Mines of Moria Miren, the Moaning Well Mount Doom Nykthos, Shrine to Nyx Oboro, Palace in the Clouds Okina, Temple to the Grandfathers Otawara, Soaring City Paliano, the High City Pendelhaven Phyrexian Tower R&D's Secret Lair Rath's Edge Rivendell Sanctum of the Sun Serra's Sanctum Shinka, the Bloodsoaked Keep Shivan Gorge Shizo, Death's Storehouse Sokenzan, Crucible of Defiance Spitfire Bastion Takenuma, Abandoned Mire Tecutlan, the Searing Rift Teferi's Isle Temple of Aclazotz The Black Gate The Core The Grey Havens The Myriad Pools The Shire The Tabernacle at Pendrell Vale The Tomb of Aclazotz Three Tree City Tolaria Tolarian Academy Tomb of Urami Tomb of the Dusk Rose

Then, if you have 11 or more cards in your hand, you can cast an instant or sorcery without paying its mana cost
With a manabase in 2026 and access to increasingly strong options, these are starting to feel less good in comparison and often worse than a basic land if youre trying to curve out