When this card is activated: You can banish 1 "Maliss" card from your hand, Deck, or GY.
While 3 or more of your "Maliss" Traps with different names are banished, "Maliss" Link Monsters you control gain 3000 ATK.
While you control a "Maliss" Link Monster, your opponent's monsters can only target "Maliss" Link Monsters for attacks.
You can only activate 1 "Maliss in Underground" per turn.