Thrash, the Powerful Tinkerer

Partner
Artifacts you control cost {1} less to cast.
Food creature tokens you control get +3/+3.
{3}: Target artifact you control becomes a
colorless artifact creature with base power
and toughness of 2/2 until end of turn.
{5}, Sacrifice 3 artifacts: Search your library for
target artifact card, reveal it, and shuffle.