Your choices are a lot more limited, and you lose out on all the great ways multicolored decks combine powerful strategies from each color of mana

Be very careful when trading for the following cards on this list: Tropical Island Temple Garden Stomping Ground Overgrown Tomb Scared Foundry Breeding Pool Misty Rainforst Celestial Colonnade Flooded Strand Arid Mesa Wasteland Inkmoth Nexus Elspeth Sun's Champion Tarmogoyf Cavern of Souls Scalding Tarn Hallowed Fountain Polluted Delta Surgical Extraction Sol Ring Underground sea Maesh Flats Reflecting Pool Mutavault Wooded Foothills Windswept Health Watery Grave Godless Shrine Nykthos, Shrine to Nyx Savannah Blood Crypt Verdant Catacombs Kalonian Hydra Avacyn, Angel of Hope Thassa, God of the sea, Jace, Architect of Thought Swords to Plowshares Chalice of the Void Goblin guide it that betrays sword of war and peace sword of fire and ice purphoros god of the forge sun titan sensei's divining top demonic tutor elspeth knight-errant thoughtseize pernicious deed sword of feast and famine goblin lackey goblin pilcdriver inquistion of kozilek engineered explosives kokusho the evening star bonfire of the damned ral zarek stoneforge mystic lona shield of emeria spellskite karn liberated tundra path to exile figure of destiny Ather Vial Vampiric Tutor Snapcaster Mage Academy Ruins Batterskull Forcc of Will Leyline of Sanctity Intuition Sphinx's Revelation Reanimate New...er News

If a card would be put into an opponent's graveyard from anywhere, instead exile it with a void counter on it
Youve spoken previously about how you see Universes Beyond as a great way to introduce new players to Magic, and Spider-Man seems primed to be an especially good example of that
For each copy of a card already in your collection that is in these decks, the total gem price is reduced at a scaling rate based on the rarity of the card
Krenko, Mob Boss and Goreclaw, Terror of Qal Sisma are the two easiest to pilot both are single-color, both cost about $2, and both have a one-sentence game plan