Little Scarecrow Of Kessig

At the beginning of your upkeep, you may pay {3}. If you do, search your deck for an artifact card, reveal it, and put it on top of your library.
{t}: Transform Little Scarecrow Of Kessig. Activate this ability only if you control 3 or more artifact spells.
"Its wise to use a scarecrow.."- Old Rutstein