Nightmare [Beta Edition] Centaur Horror If a land card is

If a land card is discarded this way

Set: Chronicles Type: Artifact Rarity: Rare Cost: {1} Remove Jeweled Bird from your deck before playing if you're not playing for ante

Set: Beta Edition Type: Sorcery Rarity: Rare Cost: {1}{B}{B} Remove Demonic Attorney from your deck before playing if you're not playing for ante

Gerrard: "But it doesn't *do* anything

Set: Judge Gift Cards 2015 Type: Creature — Human Wizard Rarity: Rare Cost: {1}{R}{R} Flash

Nightmare [Beta Edition] Centaur Horror If a land card isSet: Beta Edition 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.