Time Streams

Timestreams is the third book in the Artifacts Cycle. This cycle started in Brother's War and Planeswalker, and is concluded in Bloodlines

Timestreams is written by J. Robert King and was published in May 1999

Plot

Urza has set up the Tolaria Academy to develop a way to stop Phyrexia from invading [[Dominaria]. But the people around him are starting to see that his means may be as destructive as Phyrexia's end.