シルヴァーレッド・パルサー Silver-Red Pulsar
Level 3 LIGHT Galaxy Effect Monster
ATK 700
DEF 700
【REQUIREMENT】 If your opponent controls a Level 7 or higher face-up monster.
【EFFECT】 Choose 1 Level 7 Galaxy Normal Monster in your hand or in your GY and Special Summon it to your field.

ギャラクティカ・ブレイザーホーン Galactica Blazarhorn
Equip Spell Card
【REQUIREMENT】 Equip to 1 face-up Galaxy monster you control.
【EFFECT】 The equipped monster gains 1200 ATK. If you control 2 or more monsters, then the equipped monster loses 1000 ATK.

Note: A blazar is an active galactic nucleus with a relativistic jet directed very nearly towards an observer. Relativistic beaming of electromagnetic radiation from the jet makes blazars appear much brighter than they would be if the jet were pointed in a direction away from Earth.

アビスレイヤー・セルキー Abysslayer Selkie
Level 2 DARK Sea Serpent Effect Monster
ATK 0
DEF 800
【REQUIREMENT】 If you control no other monsters, reveal 1 Sea Serpent monster from the hand to your opponent.
【EFFECT】 Special Summon the monster revealed for this effect’s requirement in face-down Defense Position.

Note: Selkie is a kind of mythical sea creature.

インターステラ・チェンジ Interstellar Change
Normal Trap Card
【REQUIREMENT】 If neither player has cards in their hand when your opponent’s monster declares an attack.
【EFFECT】 Both players draw 5 cards and reveal their entire hand to each other. If all of those cards are monster, then, end the Battle Phase, then, the owner of this card must switch players.

Source