card holding binder 3x5 Traditional Style perfect for TCG Office Depot® Brand Business Card

Gallery and List of Improvise Cards Barricade Breaker Bastion Inventor Battle at the Bridge Enraged Giant Fen Hauler Foundry Assembler Freejam Regent Herald of Anguish Inspiring Statuary Maverick Thopterist Metallic Rebuke Reverse Engineer Saheeli's Directive Sly Requisitioner Sweatworks Brawler Whir of Invention Wind-Kin Raiders Best Improvise Cards Whir of Invention A staple of Lantern Control in Commander, Whir of Invention allows you to find the perfect artifact to deal with whatever your opponent is doing

It even does so at instant speed, no less

Rust Syndicate Grunt #112 UR Loading

Cure Mermaid is a great example of this