Firebreathing

Enchantment — Aura

Enchant creature
: Enchanted creature gets +1/+0 until end of turn.

2009-10-01:
This ability can be activated by Firebreathing’s controller, not the enchanted creature’s controller (in case they’re different players).
2009-10-01:
The ability affects whichever creature is enchanted by Firebreathing at the time the ability resolves. The bonus remains even if Firebreathing stops enchanting that creature.