Legacy, Nightstalker (7)
Whenever Abyssal Nightstalker attacks and isn't blocked, defending player discards a card.
When Brutal Nightstalker enters, you may have target opponent discard a card.
Whenever Lurking Nightstalker attacks, it gets +2/+0 until end of turn.
Nightstalker Engine's power is equal to the number of creature cards in your graveyard.
When Predatory Nightstalker enters, you may have target opponent sacrifice a creature of their choice.
Prowling Nightstalker can't be blocked except by black creatures.
Return all Nightstalker permanent cards from your graveyard to the battlefield. Then destroy all Swamps you control.
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