Your search for "Shivan Reef 375" revealed the following:
Shivan Reef (M3C) from Modern Horizons 3 Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Andrew Mar Card Text:T: Add C.T: Add U or R. Shivan Reef deals 1 damage to you.
Shivan Reef (Foil) (APC) from Apocalypse, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Rob Alexander Card Text:T: Add one colorless mana to your mana pool.T: Add U or R to your mana pool. Shivan Reef deals 1...