The Masked Beast (LON-EN001) - Labyrinth of Nightmare (Worldwide English) Unlimited Defense_2150 you can remove from play

you can remove from play 1 Plant-Type monster from your Graveyard to change 1 Defense Position monster your opponent controls to face-up Attack Position

except "Dupe Frog"

while this card is in your GY: You can Special Summon this card

Card TextAt the end of the Battle Phase

Card TextAll Fish

The Masked Beast (LON-EN001) - Labyrinth of Nightmare (Worldwide English) Unlimited Defense_2150 you can remove from playTypeFiend Ritual Monster AttributeDARK Level Rank8 ATK DEF3200 1800 Card TextThis monster can only be Ritual Summoned with the Ritual Spell Card, Curse of the Masked Beast. You must also offer monsters whose total Level Stars equal 8 or more as a Tribute from the field or your hand.