Tibalt, Technohectic

Artifactwalk
Any time an Artifact is cast look at the top {x} cards of the caster's deck, place them on top or bottom of their library in any order
{w}{u}{b}Place an Artifact with converted mana cost {x} from any graveyard on the top of your library
{x} and Tibalt's Power are equal to the number of Artifacts on the battlefield