Forgeborn Phoenix

Oracle Text

Flying
Equipped creature has flying.
Whenever Forgeborn Phoenix or equipped creature dies, it perpetually gains "Whenever an equipped creature you control deals combat damage to a player or planeswalker, return this card from your graveyard to battlefield tapped."
Reconfigure {R} ({R}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)