Your particular style of assassin deck might not find all of these cards to be equally useful
What makes these Bundles such a good deal is that you get a bunch of packs, plus accessories and a box to store it all in
As usual, I have the ins and outs for each deck, complete with reprint evaluation, individual deck strategies, and even some new card hype

Advanced Search Sets Random Syntax Prowling Felidar Quest for the Necropolis Rabaroo Troop Rampaging Baloths Rest for the Weary Retreat to Coralhelm Retreat to Emeria Retreat to Hagra Retreat to Kazandu Return of the Mole Man Ride the Shoopuf Roaring Earth Roil Cartographer Roil Elemental Ruin Crab Sapling Nursery Sazh's Chocobo Scrib Nibblers Scute Swarm Scythe Leopard Scythecat Cub Seedship Agrarian Seer's Sundial Serpentine Shoal Serpent Skyclave Pick-Axe Skyclave Shade Skyclave Squid Snapping Creeper Snapping Gnarlid Soul Stair Expedition Sporemound Springheart Nantuko Steppe Lynx Stone-Seeder Hierophant Sunspring Expedition Sunstar Expansionist Surrakar Marauder TL;DR (playtest) Tam, Observant Sequencer Tato Farmer Tatyova, Benthic Druid Territorial Baloth Territorial Scythecat Territory Culler The Necrobloom Tideforce Elemental Tifa Lockhart Tireless Provisioner Tireless Tracker Tomb Hex Toph, Earthbending Master Trench Behemoth Trove Warden Turntimber Basilisk Undergrowth Champion Vinelasher Kudzu Wave-Wing Elemental Weather Maker Werewolf Mage Lightning Windrider Eel Zendikar's Roil Zimone, Mystery Unraveler

Cards like Dark Confidant reward the bold with extra draw each turn, at the risk of precious life points