While Blue holds the keys for card draw in MTG, Black is a close second
The impact such a Planeswalker has on Constructed is well understood by now, so a lot comes down to the exact implementation of the abilities
Sealed players who pick up an Evolving Wilds should include the land when splashing Westgate Regent
Guilds of Ravnica WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS WHITE Blade Instructor Bounty Agent Candlelight Vigil Citywide Bust Collar the Culprit Conclave Tribunal Crush Contraband Dawn of Hope Demotion Divine Visitation Flight of Equenauts Gird for Battle Haazda Marshal Healer's Hawk Hunted Witness Inspiring Unicorn Intrusive Packbeast Ledev Guardian Light of the Legion Loxodon Restorer Luminous Bonds Parhelion Patrol Righteous Blow Roc Charger Skyline Scout Sunhome Stalwart Sworn Companions Take Heart Tenth District Guard Venerated Loxodon BLUE Capture Sphere Chemister's Insight Citywatch Sphinx Dazzling Lights Devious Cover-Up Dimir Informant Disdainful Stroke Dream Eater Drowned Secrets Enhanced Surveillance Guild Summit Leapfrog Maximize Altitude Mission Briefing Murmuring Mystic Muse Drake Narcomoeba Nightveil Sprite Omnispell Adept Passwall Adept Quasiduplicate Radical Idea Selective Snare Sinister Sabotage Thoughtbound Phantasm Unexplained Disappearance Vedalken Mesmerist Wall of Mist Watcher in the Mist Wishcoin Crab BLACK Barrier of Bones Bartizan Bats Blood Operative Burglar Rat Child of Night Creeping Chill Dead Weight Deadly Visit Doom Whisperer Douser of Lights Gruesome Menagerie Hired Poisoner Kraul Swarm Lotleth Giant Mausoleum Secrets Mephitic Vapors Midnight Reaper Moodmark Painter Necrotic Wound Never Happened Pilfering Imp Plaguecrafter Price of Fame Ritual of Soot Severed Strands Spinal Centipede Undercity Necrolisk Veiled Shade Vicious Rumors Whispering Snitch RED Arclight Phoenix Barging Sergeant Book Devourer Command the Storm Cosmotronic Wave Direct Current Electrostatic Field Erratic Cyclops Experimental Frenzy Fearless Halberdier Fire Urchin Goblin Banneret Goblin Cratermaker Goblin Locksmith Gravitic Punch Hellkite Whelp Inescapable Blaze Lava Coil Legion Warboss Maniacal Rage Maximize Velocity Ornery Goblin Risk Factor Rubblebelt Boar Runaway Steam-Kin Smelt-Ward Minotaur Street Riot Sure Strike Torch Courier Wojek Bodyguard GREEN Affectionate Indrik Arboretum Elemental Beast Whisperer Bounty of Might Circuitous Route Crushing Canopy Devkarin Dissident District Guide Generous Stray Golgari Raiders Grappling Sundew Hatchery Spider Hitchclaw Recluse Ironshell Beetle Kraul Foragers Kraul Harpooner Might of the Masses Nullhide Ferox Pack's Favor Pause for Reflection Pelt Collector Portcullis Vine Prey Upon Siege Wurm Sprouting Renewal Urban Utopia Vigorspore Wurm Vivid Revival Wary Okapi Wild Ceratok Impervious Greatwurm MULTICOLORED Artful Takedown Assassin's Trophy Aurelia, Exemplar of Justice Beacon Bolt Beamsplitter Mage Boros Challenger Camaraderie Centaur Peacemaker Chance for Glory Charnel Troll Conclave Cavalier Conclave Guildmage Crackling Drake Darkblade Agent Deafening Clarion Dimir Spybug Disinformation Campaign Emmara, Soul of the Accord Erstwhile Trooper Etrata, the Silencer Firemind's Research Garrison Sergeant Glowspore Shaman Goblin Electromancer Golgari Findbroker Hammer Dropper House Guildmage Hypothesizzle Ionize Izoni, Thousand-Eyed Join Shields Justice Strike Knight of Autumn Lazav, the Multifarious League Guildmage Ledev Champion Legion Guildmage March of the Multitudes Mnemonic Betrayal Molderhulk Nightveil Predator Niv-Mizzet, Parun Notion Rain Ochran Assassin Ral, Izzet Viceroy Rhizome Lurcher Rosemane Centaur Skyknight Legionnaire Sonic Assault Sumala Woodshaper Swarm Guildmage Swathcutter Giant Swiftblade Vindicator Tajic, Legion's Edge Thief of Sanity Thought Erasure Thousand-Year Storm Trostani Discordant Truefire Captain Undercity Uprising Underrealm Lich Unmoored Ego Vraska, Golgari Queen Wee Dragonauts Worldsoul Colossus Fresh-Faced Recruit Piston-Fist Cyclops Pitiless Gorgon Vernadi Shieldmate Whisper Agent Assure // Assemble Connive // Concoct Discovery // Dispersal Expansion // Explosion Find // Finality Flower // Flourish Integrity // Intervention Invert // Invent Response // Resurgence Status // Statue ARTIFACT Boros Locket Chamber Sentry Chromatic Lantern Dimir Locket Gatekeeper Gargoyle Glaive of the Guildpact Golgari Locket Izzet Locket Rampaging Monument Selesnya Locket Silent Dart Wand of Vertebrae LAND Boros Guildgate (a) Boros Guildgate (b) Dimir Guildgate (a) Dimir Guildgate (b) Gateway Plaza Golgari Guildgate (a) Golgari Guildgate (b) Guildmages' Forum Izzet Guildgate (a) Izzet Guildgate (b) Overgrown Tomb Sacred Foundry Selesnya Guildgate (a) Selesnya Guildgate (b) Steam Vents Temple Garden Watery Grave Plains Island Swamp Mountain Forest WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS
As noted, Dark Charizard is different to regular Charizard
Making creatures Mutants is another fun typal edge, and one that may well be relevant in Edge of Eternities too
