Spellthief's Expertise

Whenever you cast an artifact spell, you may
search your library for an instant or sorcery card
with converted mana cost less than that spell's
and reveal it. If you do, put it in your hand, then
shuffle your library.
Whenever you cast an instant or sorcery spell,
you may search your library for an artifact card
with converted mana cost less than that spell's
and reveal it. If you do, put it in your hand, then
shuffle your library.
...
This card is for FatmanSteven. Thanks for the support!