The Machine All Father

Indestructible,Flying,Vigilance, Lifelink, Trample
This card costs {1} less for every artifact
you control.
The Machine All Father is not a creature until "Machine Oath Gate" is on the battlefield.
When played, you may search your library for all
Phyrexian Elder God Cards and put them into
your hand. You may play them without paying
their mana cost.