Name:Lumengrid Sentinel
ManaCost:2 U
Types:Creature Human Wizard
PT:1/2
K:Flying
T:Mode$ ChangesZone | ValidCard$ Artifact.YouCtrl | Origin$ Any | Destination$ Battlefield | Execute$ TrigTap | OptionalDecider$ You | TriggerZones$ Battlefield | TriggerDescription$ Whenever an artifact enters the battlefield under your control, you may tap target permanent.
SVar:TrigTap:AB$Tap | Cost$ 0 | ValidTgts$ Permanent | TgtPrompt$ Select target permanent
SVar:Picture:http://www.wizards.com/global/images/magic/general/lumengrid_sentinel.jpg
Oracle:Flying\nWhenever an artifact enters the battlefield under your control, you may tap target permanent.