Any deck that wants to cheat big creatures into play and doesn't care much about typal synergies can give this a look, as can any deck that can reuse its enters ability to get another double helping of cards to hideaway
Flip 3 coins
Advanced Search Sets Random Syntax Atogatog Begin the Invasion Call the Spirit Dragons Child of Alara Chromanticore Coalition Victory Conflux Cosmic Spider-Man Cromat Fusion Elemental Garth One-Eye Genju of the Realm Heroes in a Half Shell Horde of Notions Infinite Guideline Station Invasion of Alara Iridian Maelstrom Jared Carthalion Jodah, the Unifier Jodah, the Unifier Karona, False God Last Stand Leyline of the Guildpact Maelstrom Archangel Maelstrom Nexus Marina Vendrell Mass of Mysteries Meeting of the Five Niv-Mizzet Reborn Niv-Mizzet, Guildpact Niv-Mizzet, Supreme O-Kagachi, Vengeful Kami Omnath, Locus of All Primeval Spawn Progenitus Reaper King Rukarumel, Biologist Sanctum of All Scion of the Ur-Dragon Scions of the Ur-Spider Sliver Gravemother Sliver Hivelord Sliver Legion Sliver Overlord Sliver Queen The First Sliver The Kami War The Prismatic Bridge The Ur-Dragon Tiamat Tom Bombadil Two-Headed Hellkite Unite the Coalition Urza, Academy Headmaster

Let me know what your favorite undying creatures are and where youve played with them
Overall, the Splinter Twin deck has a dedicated plan with a variety of choices in the sideboard so you can adapt to how you think your opponent will try to beat you