Most of them are little more than glorified scavenge - a mechanic that famously doesn't do much in this format to the point that not even Slitherhead did anything

[6] Diamond & Pearl : Black pentagon with 2 white and black circles in the center Number of cards: 130 Release date: May 23, 2007 Abbreviation: DP D & P: Mysterious Treasures : Black circle with white sun-like symbol in the center Number of cards: 124 Release date: August 22, 2007 Abbreviation: MT D & P: Secret Wonders : Swirl Number of cards: 132 Release date: November 7, 2007 Abbreviation: SW D & P: Great Encounters : Gem-like pentagon shape split into 3 pieces Number of cards: 106 Release date: February 13, 2008 Abbreviation: GE D & P: Majestic Dawn : Circle with black rays in the center and 3 curves at the bottom Number of cards: 100 Release date: May 21, 2008 Abbreviation: MD D & P: Legends Awakened : Upside down Y symbol Number of cards: 146 Release date: August 20, 2008 Abbreviation: LA D & P: Stormfront : Two circles with a lightning bolt in the center Number of cards: 106 Release date: November 5, 2008 Abbreviation: SF There are 4 card sets in the Platinum series, which were released in 2009

For this combo to work, we need our commander, Intruder Alarm, a Room that makes a creature when we unlock it (Grand Entryway // Elegant Rotunda, Smoky Lounge // Misty Salon, Unholy Annex // Ritual Chamber, Spiked Corridor // Torture Pit, Dollmakers Shop // Porcelain Gallery or my favorite Mirror Room // Fractured Realm), and an untapper (Kioras Follower, Vizier of Tumbling Sands, or Kelpie Guide)
The few times Magics slipped up here, player mistakes abound
Mausoleum Secrets Next up is Mausoleum Secrets, a 2-mana instant that allows you to search up a black card with a mana value equal to or greater than the number of creatures in your graveyard