Austere Command (Retro) [The Brothers' War Commander] Elf Horror where X is the number

where X is the number of cards revealed this way

Set: International Collectors' Edition Type: Enchantment — Aura Rarity: Common Cost: {U}{U} Enchant creature

players explore two partially flooded maps with new dungeon deck cards

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {U} Merchant Ship can't attack unless defending player controls an Island

you may cast the exiled card without paying its mana cost

Austere Command (Retro) [The Brothers' War Commander] Elf Horror where X is the numberSet: The Brothers' War Commander Type: Sorcery Rarity: Rare Cost: {4}{W}{W} Choose two Destroy all artifacts. Destroy all enchantments. Destroy all creatures with mana value 3 or less. Destroy all creatures with mana value 4 or greater.