Gravemind, Omniscient Dead

Deathtouch, Lifelink, Reach, Infect
Whenever a creature dealt damage by Gravemind, Omniscient Dead this turn dies, return it to the battlefield under your control. That creature is a black Flood in addition to its other colors and types.
"I am a timeless chorus. Join your voice with mine, and sing victory everlasting." - Gravemind