Oath of Grape

the greatest power, in reality, are grapes, they contain the soul, they contain the wrath, they contain the life, nothing can live without even some form of interaction with grapes 

 

Your faith is to a grape related God, or Godlike entity such as The Grape Wizard

Channel Divinity

When you take this oath at 3rd level, you gain the following two Channel Divinity options.

Grape Weapon. As an action, you can imbue one weapon that you are holding with grape energy, using your Channel Divinity. For 1 minute, for every attack this weapon does, the victim must make a constitution saving throw of your spell save DC -5 or be made slightly drunk. The weapon also becomes a material made out of grapes, grape pulp and grape stalk. If the weapon is not already magical, it becomes magical for the duration.

You can end this effect on your turn as part of any other action. If you are no longer holding or carrying this weapon, or if you fall unconscious, this effect ends.

Grapemind. As an action, you show a willing creature or a creature that failed a wisdom saving throw of your Spell Save DC the mind-shattering power of grapes, and for 10 turns have  disadvantage against attack rolls against followers of grapes 

Oath Spells

You gain oath spells at the paladin levels listed.

all plant-related spells use grapes and grape vines

Oath of Grape Spells

Grapetouch

You are able to, once per short or long rest can turn one object, that's smaller 1 foot cubed into an identical object made of grapes

At 14th level, the size increases to 3 feet cubed and any person who uses said object must make a constitution saving throw of your spell saving DC or become drunk

Better Grapes

When casting Goodberry, berries now heal 5hp a piece 

Grape realm

Once per long rest, you may send a person of your choice to "The Grape Realm" at will, effectively casting banishment