Blessed Wizard Oil

2 different WoW Forever spells share the name Blessed Wizard Oil. Each is a separate effect with its own tooltip; pick the one you mean to compare it with Classic Era.

• Blessed Wizard Oil #28898 unchanged While applied to target weapon it increases spell damage against undead by up to 60. Lasts for 1 hour.
• Blessed Wizard Oil #1224410 unchanged While applied to target weapon or shield it increases spell damage against undead by up to 60. Lasts for 1 hour.