Eleonora, Bird lover

: When this card leaves the battlefield sacrifice all cages you control, your birds have +0/+1 and loses flying
+1: Create an artifact creature cage token 0/2 with: defender and "when this card leaves the battlefield create a 2/1 creature bird token with flying
-5: Exile Eleonora, Bird lover then return it to the battlefield, you get an emblem with:"whennever a bird enters the battlefield you draw 1 card"