There are Vistani feats that remove the cost from rituals, so a daily power that does this would not be unbalanced.
Bard rituals are ones with a Bard Prerequisite. Look at the Vistani Jongleur feat. Why would it specify that you gain access to bard rituals if all rituals are bard rituals?
Bard rituals are ones with a Bard Prerequisite. Look at the Vistani Jongleur feat. Why would it specify that you gain access to bard rituals if all rituals are bard rituals?