Card not found is a Johnny-favorite that sees pretty frequent play in Standard and with Card not found could actually be somewhat prominent
Rakdos, Lord of Riots Rakdos, Lord of Riots is an excellent Rakdos commander if you like to cast big colorless creatures, like the Eldrazi battlecruisers
You can have a more Creature-focused build, utilizing the various Final Fantasy Creatures included in her precon, Scions and Spellcraft
You dont need to triple-sleeve decks, have cards in a toploading binder with two sleeves, ultra-thick top loaders, or the ( actually very cool and we also want one ) Academic deck box
Darksteel Mutation overwrites the printed power and toughness of the enchanted creature, as well as any characteristic-defining abilities that define power and/or toughness
Its good in specifically gnome and artifact-heavy decks as a source of creatures