Sephrix, Unending Hunger

Eminence —At the beginning of your upkeep if Sephrix, Unending Hunger is in the command
zone or on the battlefield, you loose 1 life.
Islands you control are 2/2 blue serpent
creatures and swamps you control are 1/1 black
zombie creatures. They are still lands.
{t} Add {u}{b}
With strange aeons.