Solstice Tinkerer

At the beginning of your upkeep create a 1/1
Gear Bot.
{t} : Sacrifice 3 Gear bots you may draw a card.
{t} : Sacrifice 5 Gear bots Search your library for
any Artifact card, put it into your hand then
shuffle your library.
{t} : Sacrifice 7 Gear bots Search your library for
any two Artifact cards, put one in your hand and
one on the battlefield tapped.