Maliss in Underground (Quarter Century Secret Rare)

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.