Swamp Fiend

[Reptile/Fiend/Effect]
When this card is sent to the gy or
discarded to the gy, you may banish this card
from the gy. If you do, special summon another
Level 4 Dark monster from your deck in face up
attack position except for "Swamp Fiend".
You may only activate the effect of
"Swamp Fiend" once per turn.
ATK/1900 DEF/1000