This makes creatures with strong ETB abilities particularly powerful when combined with myriad
Your assassin typal can use Virtus, but I like the idea of putting it in a Kamiz, Obscura Oculus deck

Aang, Master of Elements Abrade Aggressive Biomancy Aragorn, the Uniter Armageddon Avatar Aang Better Offer Blue Sun's Zenith Bootleggers' Stash Braids's Frightful Return Brotherhood's End Canopy Baloth Canyon Jerboa Cease // Desist Cease // Desist Cloak of the Bat Curse of Hospitality Cursecloth Wrappings Cut Down Cut Your Losses Deduce Defiant Strike Doomsday Confluence Drivnod, Carnage Dominus Earthbender Ascension Eerie Ultimatum Electrolyze Elesh Norn, Mother of Machines Emergent Ultimatum Exorcise Faramir, Field Commander Fire Lord Azula Fire Lord Zuko Firebender Ascension Frodo Baggins Fuss // Bother Fuss // Bother Gandalf the White Genesis Ultimatum Genesis of the Daleks Gift of Fangs Gimli, Counter of Kills Gix's Command Glimpse of Nature Goblin Bushwhacker Gods Willing Gollum, Patient Plotter Gravkill Grisly Sigil Halo Fountain Hardlight Containment Hazel's Nocturne Helping Hand Hopeless Nightmare Hurloon Battle Hymn Increasing Vengeance Inspired Ultimatum Jetmir's Garden Jin-Gitaxias Kayla's Command Kiora, Sovereign of the Deep Legolas, Master Archer Malcator, Purity Overseer Mana Crypt March of the Canonized Meeting of the Five Merry, Esquire of Rohan Michelangelo's Technique Migloz, Maze Crusher Mishra's Command Mm'menon, the Right Hand Moraug, Fury of Akoum

West End Games had Star Wars
Especially in Modern, it's the go to for decks that play white, allowing you to exile any creature you can target without restrictions
When this creature leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card