Your search for "Redrock Sentinel 247" revealed the following:
Redrock Sentinel (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Milivoj Ćeran Card Text:Defender2, T, Sacrifice a land: Draw a card and create a Treasure token. (It's an artifact with "T, Sacrifice...
Redrock Sentinel (Foil) (OTJ) from Outlaws of Thunder Junction, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Milivoj Ćeran Card Text:Defender2, T, Sacrifice a land: Draw a card and create a Treasure token. (It's an artifact with "T,...