Because I can’t read Korean, credits to The Organization for the card texts:
Fiendish Rhino Warrior
Earth Fiend / Effect
You can only use the (2) effect of “Fiendish Rhino Warrior” once per turn. (1) Other Fiend-Type monsters you control cannot be destroyed by battle or card effects. (2) If this card is sent to the Graveyard: You can send 1 Fiend-Type monster from your Deck to the Graveyard, except “Fiendish Rhino Warrior”.
Light Thunder / Effect
(1) Once per turn, you can roll a six-sided die. While this card is face-up on the field, neither player can Normal or Special Summon monsters with the same Level as the die result.
Dark Plant / Effect
You can only use the effect of “Carrot Human” once per turn. (1) If this card is in your Graveyard: You can send 1 face-up Plant-Type monster you control or have in your hand to the Graveyard; Special Summon this card from your Graveyard.
Great Old One Hastur
Wind Reptile / Synchro / Effect
1 Tuner + 1 or more non-Tuner monsters
(1) If this card is sent from the Monster Zone to the Graveyard: You can target 1 face-up monster your opponent controls; equip this card from your Graveyard to that target. While equipped by this effect, that monster cannot attack, and its effects are negated. (2) If this card is equipped to a monster by its own effect and leaves the field: Take control of that opponent’s monster this card was equipped to.
You can only use 1 “Rocket Hand” effect per turn, and only once that turn. (1) Target 1 Attack Position monster with 800 or more ATK you control; equip this card to that target. It gains 800 ATK. (2) You can send this equip card to the Graveyard, then target 1 face-up card on the field; destroy it. Then, the ATK of the monster this card was equipped to becomes 0, also it cannot change its battle Position.
Source: The Organization