Code of Constraint [Ravnica Allegiance] Nightmare Beast Elemental Creatures enter the battlefield to

Creatures enter the battlefield to the left or right of the volcano

Set: The Lord of the Rings: Tales of Middle-Earth Type: Legendary Creature — Avatar Demon Rarity: Rare Cost: {3}{B}{R} Trample

Set: Double Masters Type: Artifact Rarity: Common Cost: {B} {1}{B}

Set: Summer Magic / Edgar Type: Enchantment — Aura Rarity: Uncommon Cost: {3}{U} Enchant artifact

Set: Dragons of Tarkir Promos Type: Enchantment Rarity: Rare Cost: {1}{R} Whenever a creature with flying enters the battlefield under your control

Code of Constraint [Ravnica Allegiance] Nightmare Beast Elemental Creatures enter the battlefield toSet: Ravnica Allegiance Type: Instant Rarity: Uncommon Cost: {2}{U} Target creature gets 4 0 until end of turn. Draw a card. Addendum If you cast this spell during your main phase, tap that creature and it doesn't untap during its controller's next untap step.