Ultron the annialator

Improvise annihilator 2
When ultron enters the battlefield search your
library for an artifact card and put it onto
the battlefield it gains hexproof this ability can't
be counterd
{3}Tap 5 artifacts- create 2 treasure tokens
{1}Tap 4 artifacts- create a food token
{1}Tap 3 artifacts- create a clue token
{1}Tap 2 artifacts{dash} create a blood token