Blood Moon [Double Masters]Set: Double Masters Type: Enchantment Rarity: Rare Cost: {2}{R} Nonbasic lands are Mountains. Heavy light flooded across the landscape, cloaking everything in deep crimson.

At the beginning of combat on your turn

If those permanents are exchanged this way

Set: Commander 2015 Type: Legendary Creature — Zombie Soldier Rarity: Mythic Cost: {1}{W}{B} Whenever you cast an enchantment spell

pay {2}{B}

it deals 2 damage to you instead

Set: Fifth Edition Type: Land Rarity: Rare Whenever City of Brass becomes tapped

You will be forged

Set: Judge Gift Cards 2009 Type: Instant Rarity: Rare Cost: {U} Counter target activated or triggered ability

When you control no lands

Set: Unlimited Edition Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land

Set: World Championship Decks 2001 Type: Instant — Rarity: Common Cost: {1}{U} Draw a card

then sacrifices all creatures they control