
Flash (You may cast this spell any time you could cast an instant.)
Vigilance
Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)
Darksteel Sentinel has 2 printings, first in Scars of Mirrodin (2010). EDHREC ranks it #16,183 among Commander cards. It appears most in Indominus Rex, Alpha decks (928 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.