Creation Room

Creation Room enters the battlefield tapped.
{1}, {t}, Spend 3 Mineral tokens: search your
library for a Artifact Creature with mana value 2
or less and put it onto the battlefield tapped.
{3}, {t}, Spend 3 Mineral tokens: search your
library for a Artifact Creature with mana value 4
or less and put it onto the battlefield tapped.