Soulcatchers' Aerie

集魂者の住処 (Soulcatchers' Aerie) (ja)

Enchantment (CMC 2)
Whenever a Bird is put into your graveyard from the battlefield, put a feather counter on Soulcatchers' Aerie.
Bird creatures get +1/+1 for each feather counter on Soulcatchers' Aerie.