Tempest
Tempest is the twelfth Magic expansion and was released in 1997 as the first set in the Tempest block.
Mechanics & Abilities
Buyback and Shadow were introduced in this set.
The abilities associated with Slivers, Licids and Spikes were introduced in this set.
Cycles
Atog megacycle: Auratog completes this megacycle, which also includes Atog, Foratog, Chronatog, and Necratog.
Common Sliver cycle: Talon Sliver, Winged Sliver, Clot Sliver, Heart Sliver, and Muscle Sliver.
Uncommon Sliver cycle: Armor Sliver, Mnemonic Sliver, Mindwhip Sliver, Barbed Sliver, and Horned Sliver.
Licid cycle: Quickening Licid, Stinging Licid, Leeching Licid, Enraging Licid, and Nurturing Licid.
Allied Multicolor cycle: Sky Spirit, Lobotomy, Spontaneous Combustion, Segmented Wurm, and Ranger en-Vec.
Enemy Multicolor cycle: Selenia, Dark Angel; Dracoplasm; Vhati il-Dal; Soltari Guerrillas; and Wood Sage.
Medallion cycle: Pearl Medallion, Sapphire Medallion, Jet Medallion, Ruby Medallion, and Emerald Medallion.
Circle of Protection cycle: Circle of Protection: White, Circle of Protection: Blue, Circle of Protection: Black, Circle of Protection: Red, and Circle of Protection: Green.
Allied Dualland cycle: Thalakos Lowlands, Rootwater Depths, Cinder Marsh, Mogg Hollows, and Vec Townships.
Enemy Dualland cycle: Salt Flats, Caldera Lake, Pine Barrens, Scabland, and Skyshroud Forest.
Legendary Cards
Orim, Samite Healer; Commander Greven il-Vec; Starke of Rath; Eladamri, Lord of Leaves; Selenia, Dark Angel; and Vhati il-Dal.