4-LOM, Galactic Thief

Hexproof, Protection from White and Blue
Whenever 4-LOM, Galactic Thief attacks, create
an artifact treasure token with: Sacrifice this
token to gain {1}.
Sacrifice x treasure tokens: gain control of up to
X target artifacts, enchantments, or lands, where
X is the amount of treasure tokens sacrificed
When 3 treasure tokens have been sacrificed,
4-LOM, Galactic Thief gains +2/+1 and
landwalk.