Mr. Cillo, the Inevitable

When Mr. Cillo enters the battlefield, search
your library for up to six artifacts with different
names and the word "stone" in the name, reveal
those cards, exile them. Then shuffle.
Whenever Mr. Cillo deals combat damage, put an artifact exiled with Mr. Cillo onto the battlefield
with an infinity counter on it.
Mr. Cillo gets +5/+5 for each artifact you control
with an infinity counter on it.