From a mechanical perspective, this life loss drawback is reminiscent of black cards like Phyrexian Negator or Plague Spitter, but with a redemptive twist built in

You can only put one copy of the following cards in any Vintage deck, and no additional copies are allowed in your sideboard: Ancestral Recall Balance Black Lotus Brainstorm Chalice of the Void Channel Demonic Consultation Demonic Tutor Dig Through Time Flash Gitaxian Probe Golgari Grave-Troll Gush Imperial Seal Karn, the Great Creator Library of Alexandria Lion's Eye Diamond Lodestone Golem Lotus Petal Mana Crypt Mana Vault Memory Jar Mental Misstep Merchant Scroll Mind's Desire Monastery Mentor Mox Emerald Mox Jet Mox Pearl Mox Ruby Mox Sapphire Mystic Forge Mystical Tutor Narset, Parter of Veils Necropotence Sol Ring Strip Mine Thorn of Amethyst Time Vault Time Walk Timetwister Tinker Tolarian Academy Treasure Cruise Trinisphere Urza's Saga Vampiric Tutor Vexing Bauble Wheel of Fortune Windfall Yawgmoth's Will Where to Play Vintage Finding somewhere to play Vintage in person is a lot trickier than a format like Standard or Commander

$22.99 Norman Osborn Marvel's Spider-Man $3.99 Spark Mage Odyssey $2.49 Spider-Sense Marvel's Spider-Man $5.99 Clock of Omens 2013 Core Set $5.49 Red Elemental Blast 3rd Edition $4.49 Vexing Bauble Modern Horizons 3 $2.79 Gogo, Mysterious Mime Final Fantasy Commander Decks $0.69 Battered Golem Fifth Dawn $0.35 Bloodfire Dwarf Apocalypse $2.29 Smuggler's Copter Kaladesh $3.49 Raphael, Tag Team Tough Teenage Mutant Ninja Turtles Eternal-Legal $1.49 Shadow of the Goblin Marvel's Spider-Man 0 results found
goldcrest January 4, 2020, 1:40pm 14 Love this idea, thanks for making it
It EXILES any permanent with cmc4 or greater for only two mana
If a particular card is highly sought, its price can increase significantly