Theyre harder to get hold of, and much pricier, but you can get them in Booster Boxes if you have the money to spend
Creatures (8) Lands (22) Spells (30) 3 Yawgmoth's Bargain 4 Vampiric Tutor 4 Grim Monolith 2 Yawgmoth's Will 4 Dark Ritual 4 Soul Feast 3 Tooth of Ramos 3 Renounce 3 Voltaic Key Sideboard This list aspired to get a Yawgmoths Bargain down as fast as possible, then draw enough cards to try to go all the way off the following turn, usually with a Skirge Familiar
Shieldwall Sentinel An MTG tutor specifically for Defenders, Shieldwall Sentinel can fetch up whatever it is you need
I feel the casting cost is a bit too steep, or at least it should come with a bigger body like Gruul Ragebeast
Some of these cards are going to become meta must-haves , while others might not survive the first week of testing
More recently, the Secret Lair series shifted to a direct-to-consumer model, selling curated sets with unique alternate art for a limited time