Supreme Verdict will usually be both of those things
17%inclusion 11%synergy 2 decks 12 decks Living Laser 17%inclusion 10%synergy 2 decks 12 decks Misty Knight, Hero for Hire 8.3%inclusion 8%synergy 1 decks 12 decks High Synergy Cards Archfiend of Ifnir 78%inclusion 71%synergy 28 decks 36 decks Monument to Endurance 78%inclusion 70%synergy 28 decks 36 decks Chainer, Nightmare Adept 69%inclusion 66%synergy 25 decks 36 decks Captain Howler, Sea Scourge 64%inclusion 61%synergy 23 decks 36 decks Ultimate Green Goblin 64%inclusion 59%synergy 23 decks 36 decks Frantic Search 81%inclusion 59%synergy 29 decks 36 decks Bone Miser 64%inclusion 59%synergy 23 decks 36 decks Ghostly Pilferer 61%inclusion 58%synergy 22 decks 36 decks Magmakin Artillerist 58%inclusion 55%synergy 21 decks 36 decks Chameleon, Master of Disguise 63%inclusion 55%synergy 22 decks 35 decks Top Cards Faithless Looting 69%inclusion 50%synergy 25 decks 36 decks Green Goblin, Revenant 58%inclusion 54%synergy 21 decks 36 decks Shadow of the Goblin 57%inclusion 53%synergy 20 decks 35 decks Green Goblin, Nemesis 56%inclusion 52%synergy 20 decks 36 decks Anger 53%inclusion 42%synergy 19 decks 36 decks Cryptcaller Chariot 50%inclusion 48%synergy 18 decks 36 decks River Kelpie 50%inclusion 48%synergy 18 decks 36 decks Carnage, Crimson Chaos 50%inclusion 47%synergy 18 decks 36 decks Surly Badgersaur 47%inclusion 45%synergy 17 decks 36 decks Secrets of the Dead 47%inclusion 45%synergy 17 decks 36 decks Game Changers Gamble 22%inclusion 12%synergy 8 decks 36 decks Underworld Breach 14%inclusion 3%synergy 5 decks 36 decks Jeska's Will 8.3%inclusion -8%synergy 3 decks 36 decks Rhystic Study 8.3%inclusion -14%synergy 3 decks 36 decks Cyclonic Rift 8.3%inclusion -12%synergy 3 decks 36 decks Orcish Bowmasters 5.6%inclusion -12%synergy 2 decks 36 decks Demonic Tutor 5.6%inclusion -15%synergy 2 decks 36 decks Fierce Guardianship 5.6%inclusion -14%synergy 2 decks 36 decks Lion's Eye Diamond 5.6%inclusion -1%synergy 2 decks 36 decks Creatures Emet-Selch of the Third Seat 47%inclusion 44%synergy 17 decks 36 decks Likeness Looter 44%inclusion 42%synergy 16 decks 36 decks Kefka, Court Mage 44%inclusion 39%synergy 16 decks 36 decks Psychic Frog 42%inclusion 38%synergy 15 decks 36 decks Doctor Octopus, Master Planner 42%inclusion 38%synergy 15 decks 36 decks Ledger Shredder 42%inclusion 38%synergy 15 decks 36 decks Hobgoblin, Mantled Marauder 40%inclusion 38%synergy 14 decks 35 decks Wonder 36%inclusion 31%synergy 13 decks 36 decks Rona, Herald of Invasion 33%inclusion 32%synergy 12 decks 36 decks Glint-Horn Buccaneer 33%inclusion 29%synergy 12 decks 36 decks Shadowgrange Archfiend 31%inclusion 29%synergy 11 decks 36 decks Skirge Familiar 31%inclusion 29%synergy 11 decks 36 decks Big Game Hunter 28%inclusion 27%synergy 10 decks 36 decks Vohar, Vodalian Desecrator 28%inclusion 27%synergy 10 decks 36 decks Marauding Mako 28%inclusion 27%synergy 10 decks 36 decks Scarlet Spider, Kaine 26%inclusion 25%synergy 9 decks 35 decks Rielle, the Everwise 25%inclusion 24%synergy 9 decks 36 decks Anje Falkenrath 22%inclusion 22%synergy 8 decks 36 decks Nightscape Familiar 22%inclusion -5%synergy 8 decks 36 decks Tombstone, Career Criminal 22%inclusion 19%synergy 8 decks 36 decks Shriek, Treblemaker 20%inclusion 18%synergy 7 decks 35 decks Kitsa, Otterball Elite 19%inclusion 18%synergy 7 decks 36 decks Necrogoyf 19%inclusion 19%synergy 7 decks 36 decks Malcolm, Alluring Scoundrel 19%inclusion 15%synergy 7 decks 36 decks Doc Ock's Henchmen 19%inclusion 19%synergy 7 decks 36 decks Scorpion, Seething Striker 19%inclusion 18%synergy 7 decks 36 decks Naktamun Lorespinner 19%inclusion 17%synergy 3 decks 16 decks Brallin, Skyshark Rider 17%inclusion 16%synergy 6 decks 36 decks Syr Konrad, the Grim 17%inclusion 14%synergy 6 decks 36 decks Inti, Seneschal of the Sun 17%inclusion 16%synergy 6 decks 36 decks Spider-Islanders 17%inclusion 16%synergy 6 decks 36 decks Putrid Imp 17%inclusion 16%synergy 6 decks 36 decks Iron-Shield Elf 16%inclusion 16%synergy 3 decks 19 decks Swarm, Being of Bees 14%inclusion 13%synergy 5 decks 35 decks Inner Demons Gangsters 14%inclusion 13%synergy 5 decks 35 decks Asmoranomardicadaistinaculdacar 14%inclusion 14%synergy 5 decks 36 decks Emet-Selch, Unsundered 14%inclusion 12%synergy 5 decks 36 decks Mary Read and Anne Bonny 14%inclusion 10%synergy 5 decks 36 decks Containment Construct 14%inclusion 13%synergy 5 decks 36 decks Archfiend of Spite 14%inclusion 14%synergy 5 decks 36 decks Prowler, Clawed Thief 14%inclusion 11%synergy 5 decks 36 decks Raging Goblinoids 14%inclusion 13%synergy 5 decks 36 decks Mob Lookout 11%inclusion 11%synergy 4 decks 35 decks Anje's Ravager 11%inclusion 11%synergy 4 decks 36 decks Fear of Missing Out 11%inclusion 10%synergy 4 decks 36 decks Neerdiv, Devious Diver 11%inclusion 11%synergy 4 decks 36 decks Ivora, Insatiable Heir 11%inclusion 11%synergy 4 decks 36 decks Hell Mongrel 11%inclusion 11%synergy 4 decks 36 decks Vulture, Scheming Scavenger 11%inclusion 10%synergy 4 decks 36 decks Electro, Assaulting Battery 11%inclusion 4%synergy 4 decks 36 decks Instants Big Score 44%inclusion 31%synergy 16 decks 36 decks Bitter Triumph 42%inclusion 38%synergy 15 decks 36 decks Circular Logic 39%inclusion 38%synergy 14 decks 36 decks Laughing Mad 39%inclusion 34%synergy 14 decks 36 decks Counterspell 33%inclusion -11%synergy 12 decks 36 decks Chaos Warp 31%inclusion -4%synergy 11 decks 36 decks Lethal Scheme 31%inclusion 27%synergy 11 decks 36 decks Dark Ritual 28%inclusion -10%synergy 10 decks 36 decks Thrill of Possibility 25%inclusion 13%synergy 9 decks 36 decks Unexpected Windfall 25%inclusion 16%synergy 9 decks 36 decks Unstable Experiment 25%inclusion 23%synergy 9 decks 36 decks Withering Torment 22%inclusion 9%synergy 8 decks 36 decks Tolarian Winds 22%inclusion 21%synergy 8 decks 36 decks An Offer You Can't Refuse 19%inclusion -12%synergy 7 decks 36 decks Izzet Charm 19%inclusion 17%synergy 7 decks 36 decks Swan Song 17%inclusion -3%synergy 6 decks 36 decks Sink into Stupor 17%inclusion 7%synergy 6 decks 36 decks Infernal Grasp 14%inclusion 9%synergy 5 decks 36 decks Untimely Malfunction 14%inclusion 8%synergy 5 decks 36 decks Electric Revelation 14%inclusion 13%synergy 5 decks 36 decks Spider-Sense 11%inclusion 10%synergy 4 decks 35 decks The Spot's Portal 11%inclusion 10%synergy 4 decks 35 decks Fell the Profane 11%inclusion 3%synergy 4 decks 36 decks Decaying Time Loop 11%inclusion 11%synergy 4 decks 36 decks Ancient Excavation 11%inclusion 10%synergy 4 decks 36 decks Obsessive Search 11%inclusion 11%synergy 4 decks 36 decks Demand Answers 11%inclusion 6%synergy 4 decks 36 decks Fiery Temper 11%inclusion 11%synergy 4 decks 36 decks Cabal Ritual 11%inclusion 1%synergy 4 decks 36 decks Terminate 11%inclusion -15%synergy 4 decks 36 decks Malakir Rebirth 11%inclusion 4%synergy 4 decks 36 decks Arcane Denial 11%inclusion -18%synergy 4 decks 36 decks Dark Withering 11%inclusion 11%synergy 4 decks 36 decks Snap 11%inclusion 1%synergy 4 decks 36 decks Deflecting Swat 11%inclusion -8%synergy 4 decks 36 decks Deadly Rollick 8.3%inclusion -10%synergy 3 decks 36 decks Curtains' Call 8.3%inclusion 7%synergy 3 decks 36 decks Abrade 8.3%inclusion -1%synergy 3 decks 36 decks Traumatic Critique 6.3%inclusion 5%synergy 1 decks 16 decks Flashback 6.3%inclusion -1%synergy 1 decks 16 decks Pongify 5.6%inclusion -1%synergy 2 decks 36 decks Rapid Hybridization 5.6%inclusion 2%synergy 2 decks 36 decks Refute 5.6%inclusion 4%synergy 2 decks 36 decks Countervailing Winds 5.6%inclusion 5%synergy 2 decks 36 decks Negate 5.6%inclusion -17%synergy 2 decks 36 decks Rakdos Charm 5.6%inclusion -9%synergy 2 decks 36 decks Mana Drain 5.6%inclusion -10%synergy 2 decks 36 decks Thirst for Discovery 5.6%inclusion 5%synergy 2 decks 36 decks Rush of Inspiration 5.6%inclusion 5%synergy 2 decks 36 decks Run for Your Life 5.6%inclusion 5%synergy 2 decks 36 decks Sorceries Blasphemous Act 42%inclusion -3%synergy 15 decks 36 decks Windfall 39%inclusion 16%synergy 14 decks 36 decks Terminal Agony 36%inclusion 36%synergy 13 decks 36 decks Pumpkin Bombardment 26%inclusion 24%synergy 9 decks 35 decks Reanimate 25%inclusion -0%synergy 9 decks 36 decks Electro's Bolt 25%inclusion 24%synergy 9 decks 36 decks Prison Break 23%inclusion 22%synergy 8 decks 35 decks Behold the Sinister Six
You can find these treatments in Magic: The Gathering Doctor Who Collector Boosters
The bonus of the downside of the tutor can also go into decks led by Yennett, Yuriko, or Fblthp Lost on the Range if need be, making this card more viable in more places
A member of the former Commander rules committee dubbed them legal, but only for the person whose name is on the card - meaning that, as soon as they're sold, they go from functional playing pieces to pure collector's items
