AI Seeker

{t}, Sacrifice AI Seeker: Search your library for
an AI card of your choice and put it into play,
then shuffle your library.
AI Seeker costs {p/c} less if control AI Artifactory; {p/w} less if you control Defensive AI; {p/u} less if you control Inquisitive AI; {p/b} less if you control Aggressive AI.
If you control all 4 AI cards you may instead
search your library for an artifact of your choice
and put it into play tapped.