Yatii, Knowledgeable Artificer

Fabricate X (X is equal to the number of
times you've cast Yatii, Knowledgeable Artificer
from your command zone)
{b}{1}, Sacrifice 2 artifacts you control: Search
your library for an artifact with converted mana
cost 3 or less, and put that card on top of your
library.
"When I die, I want to leave knowlage behind"
Yatii