Call of Dragon

You conjure an Adult Bronze Dragon  in an unoccupied space that you can see within range, where it remains for the duration, until you dismiss it as an action, or until you move more than 100 feet away. you become blinded and paralysed for the first turn this spell is used since you see through the eyes of the dragon. 

you can order it to attack once. Once you use this one attack the dragon continues to attack any being that it sees as a threat to you for 2 turns before disappearing 

 The hound's attack bonus is equal to your strength ability modifier + your proficiency bonus. On a hit, it deals 2d20 bludgeoning damage.

At Higher Levels: 5th level you can summon an additional adult dragon, 7th level you can add an additional 2d8 of damage to attack of dragon