Released in 2000, INVASION is first set in the INVASION BLOCK (Invasion, Planeshift, and Apocalypse).
Set Breakdown:
110 Rares
110 Uncommons
110 Commons
20 Lands
Look for the following key cards:
Absorb
Artifact Mutation
Blazing Specter
Crosis, the Purger
Darigaaz, the Igniter
Dromar, the Banisher
Elvish Champion
Reya Dawnbringer
Rith, the Awakener
Rout
Saproling Symbiosis
Treva, the Renewer
Undermine