Tuned Truth (4 Level 10 Synchros)

[More than 3 characters]

[spoiler="Autumn's Tune"]

Lore:

1 Tuner + 2 or more non-Tuner monsters
This monster cannot be targeted by your opponent's cards' effects. If all Synchro Material monsters used to Synchro Summon this monster are DARK monsters, it gains these effects:
- Once per turn, you can target 1 monster the opponent controls with lower original ATK than this monster; take control of that monster until the End Phase. While you control a monster by this effect, this monster cannot be targeted by attacks.

[/spoiler]

[spoiler=Swansong]

Lore:

1 Tuner + 2 or more non-Tuner monsters
Once per turn, you can declare 1 Attribute: Monsters of that Attribute cannot declare attacks this turn. If all Synchro Material monsters used to Synchro Summon this monster are WIND monsters, it gains this effect:
- When this monster is Synchro Summoned, negate the effects of all face-up monsters the opponent controls.

[/spoiler]

[spoiler="Angel of Snow"]

Lore:

1 Tuner + 2 or more non-Tuner monsters
When this monster inflicts battle damage to your opponent: You can Special Summon from your hand 1 monster with ATK equal to or lower than the damage inflicted. (0 ATK monsters cannot be Special Summoned by this effect.) If all Synchro Material monsters used to Synchro Summon this monster are WATER monsters, it gains this effect:
- Once per turn, you can target 1 monster the opponent controls: Destroy it.

[/spoiler]

[spoiler=Brokenwings]

Lore:

1 Tuner + 2 or more non-Tuner monsters
Once per turn, when a card effect activates that would banish a card on the field: You can negate that effect. If all Synchro Material monsters used to Synchro Summon this monster are LIGHT monsters, it gains this effect:
- Once per turn: Return 1 card from your Banished Zone to your deck.

[/spoiler]

Don't have much to say, just 4 monsters I made.