The exclusivity would be necessary, meaning (a) followers only or (b) veteran Tumblr users or an increasingly strict set of judgement guidelines
If all targets for the chosen modes become illegal before a spell with spree resolves, the spell won't resolve and none of its effects will happen
Lasso up the ultimate bounty in Collector Boosters, providing any cowpoke with a full posse of shiny prizes BEST BOOSTERS FOR COLLECTORS - Collector Boosters are a shortcut to the coolest cards in a set, with packs full of Rare cards, shiny foil cards, and special alt-art, alt-frame cards CRIMINALLY COOL CARDS - Every pack contains 6 alt-border cards, including at least 3 Breaking News cards - reprints that report a spellcasting crime with frontpage news-style frames
Teferis Protection (TLE) $34 Teferi's Protection is a white staple in Commander, and a card nearly every white deck wants to run
Sure, you need to be playing at least two colors in your deck, but thats not a problem for tons of Commanders
Maze's End EDH Creature (17) 1x Avenger of Zendikar 1x Azusa, Lost but Seeking 1x Birds of Paradise 1x Coiling Oracle 1x Consecrated Sphinx 1x Emeria Angel 1x Eternal Witness 1x Gatecreeper Vine 1x Knight of the Reliquary 1x Lotus Cobra 1x Oracle of Mul Daya 1x Sakura-Tribe Scout 1x Seedborn Muse 1x Skyshroud Ranger 1x Stone-Seeder Hierophant 1x Trinket Mage 1x Walking Atlas Planeswalker (1) Land (40) 1x Azorius Guildgate 1x Boros Guildgate 1x City of Brass 1x Command Tower 1x Crystal Quarry 1x Dark Depths 1x Deserted Temple 1x Dimir Guildgate 5x Forest 1x Golgari Guildgate 1x Grand Coliseum 1x Gruul Guildgate 1x Island 1x Izzet Guildgate 1x Jungle Shrine 1x Maze's End 1x Mountain 1x Orzhov Guildgate 1x Petrified Field 3x Plains 1x Rakdos Guildgate 1x Reflecting Pool 1x Rupture Spire 1x Savage Lands 1x Seaside Citadel 1x Selesnya Guildgate 1x Simic Guildgate 3x Swamp 1x Tolaria West 1x Transguild Promenade 1x Urborg, Tomb of Yawgmoth 1x Vesuva Enchantment (6) 1x Exploration 1x Phyrexian Arena 1x Prismatic Omen 1x Rites of Flourishing 1x Sacred Ground 1x Terra Eternal Artifact (15) 1x Amulet of Vigor 1x Chromatic Lantern 1x Coalition Relic 1x Crucible of Worlds 1x Darksteel Ingot 1x Door to Nothingness 1x Expedition Map 1x Horn of Greed 1x Nevinyrral's Disk 1x Oblivion Stone 1x Scroll Rack 1x Seer's Sundial 1x Sensei's Divining Top 1x Sol Ring 1x Strionic Resonator Instant (4) Sorcery (15) 1x All is Dust 1x Beseech the Queen 1x Concentrate 1x Demonic Tutor 1x Diabolic Tutor 1x Explore 1x Frenzied Tilling 1x Harmonize 1x Life from the Loam 1x Reap and Sow 1x Scapeshift 1x Summer Bloom 1x Sylvan Scrying 1x Urban Evolution 1x Wrath of God Unknown (1) 1x rampaging baloth
