4 (sort of) Random Synchros

[The Dark Knight]

Junk Obliterator
|EARTH|*10|Warrior/Synchro/Effect|3200/2600|
1 Synchro-Tuner Monster + "Junk Destroyer"

When this card is successfully Synchro Summoned, you can destroy up to 4 cards on the field. If this card is sent to the Graveyard as a result of battle, Special Summon 1 "Junk Destroyer" from your Graveyard. If this card leaves the field, destroy 1 card on the field.
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Divine Master - Hyperion
|LIGHT|*10|Fairy/Synchro/Effect|3000/2900|
1 Fairy-Type Tuner Monster + "Master Hyperion"

Once per turn during your Main Phase, you can banish 2 Fairy-Type Monsters from your field, hand or Graveyard and destroy 3 cards on the field. If this card is destroyed, Special Summon 1 "Master Hyperion" from your Graveyard. Its effect(s) are negated.
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Blast Bird - Speeding Comet
|WIND|*6|Winged-Beast/Synchro/Effect|2000/0|
1 Winged-Beast-Type Tuner Monster + 1 (or more) non-Tuner Monster(s)

This card is not affected by card effects and can attack directly. Once per duel, you can banish 3 Monsters in your Graveyard. If you activate this effect, this card cannot be selected as an attack target until your next End Phase. You can activate this effect during either player's turn.
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Evil Knight - Grapha
|DARK|*10|Warrior/Synchro/Effect|3400/1900|
1 DARK-attribute Tuner Monster + "Grapha, Dragon Lord of Dark World"

When this card destroys an opponent's monster as a result of battle, banish that monster and inflict damage to your opponent's life points equal to the original ATK of that monster. Once per turn, if you have no cards in your hand, you can draw 2 cards and discard 1. If this card is destroyed, Special Summon 1 "Grapha, Dragon Lord of Dark World" from your Graveyard.