Killer Tune Trackmaker
LIGHT Level 4 Machine Tuners
0 ATK / 2500 DEF
1 "Killer Tune" Tuner + 1+ non-Tuner monsters
If this card on the field would be used as material for a Synchro Summon, you can also use 1 Tuner from your hand as material.
You can only use each of the following effects, (1) & (2), from this card's name once per turn.
(1) If this card is Synchro Summoned: You can add 1 "Killer Tune" card from your Deck to your hand.
(2) If this card is sent to the GY as Synchro Material: You can return 1 card your opponent controls to the hand.

Killer Tune Remix
DARK Level 5 Machine Tuner Synchro
1500 ATK / 2000 DEF
"Killer Tune Mix" + 1+ Tuners
You can only use the following effect (2) from this card's name once per turn.
(1) Gains 1500 ATK while your opponent has a Tuner in their field or GY.
(2) During your opponent's turn (Quick Effect): You can Tribute this card; take 2 Tuners from your GY, except Synchro Monsters, add 1 to your hand and Special Summon the other, then immediately after this effect resolves, you can Synchro Summon 1 Synchro Tuner.

Killer Tune Redseal
DARK Level 5 Machine Tuner Synchro
1700 ATK / 2400 DEF
"Killer Tune Reco" + 1+ Tuners
You can only use the following effect (3) from this card's name once per turn.
(1) This card gains 300 ATK for each tuner in either GY.
(2) Monsters on your opponent's field with an 1700 or less original ATK have their level increased by 1.
(3) During either player's Main Phase you can banish 1 Tuner monster from your GY; target 1 face-up card on your opponent's field; negate that card's effects until the end of the turn.