Gisela, Blade of Goldnight

Gisela, Blade of Goldnight

Legendary Creature - Angel | Power/Toughness: 5 / 5 (CMC 7)
Flying, first strike
If a source would deal damage to an opponent or a permanent an opponent controls, that source deals double that damage to that player or permanent instead.
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up.