Nightmare [Fourth Edition (Foreign Black Border)] DPDG-EN030 and if they have any

and if they have any other cards in their hand

that player puts that card onto the battlefield and all other cards revealed this way into their graveyard

You can only use each of these effects of "Nekroz of Valkyrus" once per turn

Set: Sun & Moon: Celestial Storm Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

and Left Arm of the Forbidden One

Nightmare [Fourth Edition (Foreign Black Border)] DPDG-EN030 and if they have anySet: Fourth Edition (Foreign Black Border) Type: Creature Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control.