A Crisis of Darkness Eclipses The Galaxy! [RD/KP15]

When light is overlapped by darkness…

RD/KP15-JP003 Darkness Dwarf
Level 1 DARK Galaxy Effect Monster
ATK 0
DEF 0
[REQUIREMENT] Send 1 other face-up Galaxy Type monster on your field to the Graveyard.
[EFFECT] Fusion Summon a DARK Attribute monster by sending face-up monsters on your field to the Graveyard as material, including this card.

RD/KP15-JP004 Darkness Transamu Crisis
Level 8 DARK Galaxy Effect Monster
ATK 2500
DEF 1600
You can Tribute Summon this card in Attack Position by Tributing 3 monsters with the same Attribute.
[REQUIREMENT] During the turn you Normal Summoned this card with the above method.
[EFFECT] Destroy 1 card on your opponent’s field, then you can make this card gain ATK equal to [the original Level of a monster destroyed by this effect] x 200 until the end of this turn.

RD/KP15-JP035 Darkness Doom Giant
Level 7 DARK Galaxy Fusion Effect Monster
ATK 2500
DEF 0
Materials: “Darkness Dwarf” + 1 LIGHT or DARK Attribute Galaxy Type monster
[REQUIREMENT] None
[EFFECT] Add 1 Level 7 or 8 Galaxy monster or 1 “Fusion” from your Graveyard to your hand, then, this turn, you can treat this face-up card as 2 or 3 Tributes for the Tribute Summon of a Level 8 Galaxy Type monster in Attack Position.

RD/KP15-JP036 Darkness Galactica Oblivion
Level 9 DARK Galaxy Fusion Effect Monster
ATK 3000
DEF 2500
Materials: “Galactica Oblivion” + “Darkness Dwarf”
[REQUIREMENT] Send the top card of your Deck to the Graveyard.
[EFFECT] 1 face-up Effect Monster on your opponent’s field with 100 or more original ATK loses ATK equal to [its original ATK] until the end of this turn, then you can negate its Continuous Effect until the end of this turn.

Source