Meta magic (7 points). The young tome dragon can use meta magic to use the following effects on spells. 

• Empowered spell: When the tome dragon rolls damage for a spell, they can spend 1 sorcery point to reroll a number of the damage dice up to one time. The tome dragon must use the new rolls.
• Heightened spell: When the tome dragon casts a spell that forces a creature to make a saving throw to resist its effects, they can spend 3 sorcery points to give one target of the spell disadvantage on its first saving throw made against the spell.

Innate Spellcasting. The young tome dragon’s innate spellcasting ability is Wisdom. The young tome dragon can innately cast the following spells , requiring no material components:

At will: arcane eye

3/day: clairvoyance 

Spellcasting. The young tome dragon is a 7th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 14, +6 to hit with spell attacks). The young tome dragon has following sorcerer spells prepared:
Cantrips (at will): blade ward, control flame, dancing lights, mending shocking grasp
1st level (4 slots): detect magic, false life, shield
2nd level (3 slots): crown of madness, mind spike, misty step
3rd level (3 slots): slow
4th level (1 slots): blight

Multi attack. The young tome dragon makes two claw attacks and one bite attack. 

Bite. Melee Weapon Attack: +2 to hit, reach 10 ft., 1 target. Hit: 8 (2d8) piercing damage. 

Claw. Melee Weapon Attack: +2 to hit, reach 5 ft., 1 target. Hit: 3 (1d6) slashing damage.

Elemental bead breath (Recharges on 5/6). The young tome dragon spits out a bead of elemental that goes up to 50ft and lands where the tome dragon wishes it to and explodes in a 10ft by 10ft space and the dragon chooses one of the following damage types: bludgeoning, fire, piercing, thunder. Each creature within the blast radius must make a dc 11 Dexterity save or take 28 (7d8) damage of the chosen damage type. On a successful save a creature takes half damage.