
Flying
Whenever an artifact you control enters, you may tap target permanent.
Lumengrid Sentinel has 2 printings, first in Mirrodin (2003). EDHREC ranks it #21,691 among Commander cards. It appears most in April O'Neil, Human Element decks (42 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.