Sibling Pact

Siblings. Any who has one knows the struggle of dealing with their shenanigans, but nobody knows how much worse it could be, except you. At some point, something happened to your sibling which granted them with great power but separated them from you, until you made a pact, and they became your patron. Consider your old and new relationships with your sibling and how they changed, what your sibling is like, what happened to your sibling, and what you are doing now. 

Level 3: Expanded Spell List

At 3rd level, your sibling has given you access to more spells, all of which remind you of childhood games and antics.

Level 3: Sibling Dance

Starting at 3rd level, once per session you may sing the rest of this out loud to your whole party.

Siblings, siblings, siblings, siblings. This is my sister! This is my brother. We are siblings and we care for each other! Everything we own, we always share, because we are siblings and we have the same hair!

I like knitting, and I like coins. We both came out of the same loins. If you don't like siblings, give us a chance, we'll impress you with our sibling dance!

Hey, what's that? We have another brother, you thought there were two but there is another. He's always busy and he has short hair, but he's one of us so we don't care! Come on brother, snap out of that trance, it's time to do the sibling dance-

Guys, guys I can't focus, I cant get any work done with you making all this racket about sibling dances, and I don't mean to be rude its just we've lost a lot of atorneys in our office and I have a jury trial on monday, and I don't have time to do the sibling dance!

Sometimes I think I can talk to plants, come on let's do the sibling dance! The void of space is a vast expanse, come on let's do the sibling dance! Come on let's do the sibling dance! SIBLINGS!

(As soon as you finish, all players gain advantage on everything for the rest of the session.)

Level 6: Sibling's Idea

At 6th level, your sibling starts sharing their dumb ideas. Once per Short Rest, you may roll on the Wild Magic table as a bonus action.

Level 6: Ur Adopted

At 6th level, your sibling accidentally tells you that you are actually adopted. You are now a different species which your DM chooses, however you choose what features you get from the new species.

Level 10: Sibling's Friends

At 10th level, your sibling introduces you to his friends, and they add you to the group chat so you can summon their unholy chaos as needed. Once per long rest, you may cast Summon Greater Florida as an action.

Level 10: Can I borrow that?

You "borrow" something from your sibling. Once per day, choose any magic item from the DM's handbook. The item instantly appears in your inventory, however you cannot use any features of this subclass for the rest of the day and the item disappears at sunset.

Level 14: OMG NEW SIBLING

Your parents have another kid. Any features of the Sibling Pact with charges now have twice as many charges. (Except for Summon Mom and Dad)

Level 14: Yell for Mom and Dad to help

You and your sibling both yell "MOM, DAD!!!" at the top of your voices. This summons Bahamut (and Tiamat if you do it at level 20) however it only works once per campaign and counts as giving your DM permission to TPK you.