Nightmare [Limited Edition Beta] Starter 1999 ) As Breeding Pool enters

) As Breeding Pool enters the battlefield

If you search your library this way

Put all artifact cards from among them onto the battlefield

Set: War of the Spark Prerelease Promos Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

Whenever Ilharg

Nightmare [Limited Edition Beta] Starter 1999 ) As Breeding Pool entersSet: Limited Edition Beta 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. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.