Shigami, Raven Queen

Flying, deathtouch, lifelink, indestructible
Other Bird creatures you control have hexproof.
Whenever a Bird you control dies, you may
return another target Bird creature card from
your graveyard to the battlefield.
"Azym and Godfrey had an elder sister, one who
wards the flow of life and death. She was my next
teacher." - Javad, Sage of Songbirds