If you just want to get some excellent, high utility Magic cards, we recommend Fetch Lands, Dual Lands, and/or Shock Lands, as your mana base is one of the most important aspects to your deck

Top 10 Partner Pairings Frodo, Adventurous HobbitFrodo, Adventurous Hobbit & Sam, Loyal AttendantSam, Loyal Attendant: 12393 Haldan, Avid ArcanistHaldan, Avid Arcanist & Pako, Arcane RetrieverPako, Arcane Retriever: 6602 Ardenn, Intrepid ArchaeologistArdenn, Intrepid Archaeologist & Rograkh, Son of RohgahhRograkh, Son of Rohgahh: 5868 Okaun, Eye of ChaosOkaun, Eye of Chaos &Zndrsplt, Eye of WisdomZndrsplt, Eye of Wisdom: 5848 Tymna the WeaverTymna the Weaver & Kraum, Ludevic's OpusKraum, Ludevic's Opus: 5838 Sakashima of a Thousand FacesSakashima of a Thousand Faces & Krark, the ThumblessKrark, the Thumbless: 4390 Thrasios, Triton HeroThrasios, Triton Hero & Tymna the WeaverTymna the Weaver: 4366 Burakos, Party LeaderBurakos, Party Leader & Folk HeroFolk Hero: 3454 Cazur, Ruthless StalkerCazur, Ruthless Stalker & Ukkima, Stalking ShadowUkkima, Stalking Shadow: 3446 Breeches, Brazen PlundererBreeches, Brazen Plunderer & Malcolm, Keen-Eyed NavigatorMalcolm, Keen-Eyed Navigator: 3430 Here's the thing, though: I don't think this list is actually interesting

That said, always having access to the top card of the library is very useful, and there aren't a lot of cards that allow players to cast any card from the top
I see on the app it says characters
Zombie decks tend to use black and/or blue mana, giving these deathly tribal decks access to the game's most insidious and clever effects