Burrowing [Alpha Edition] Alpha Edition Set: Alpha Edition Type: Instant

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {W} Cast this spell only during combat before blockers are declared

—Arab proverb

Set: Unlimited Edition Type: Sorcery Rarity: Rare Cost: {X}{U}{U}{U} Destroy X target Mountains

Return them to the battlefield at the beginning of your upkeep on your turn X in the next game you play with one of your opponents in this game

Burrowing [Alpha Edition] Alpha Edition Set: Alpha Edition Type: InstantSet: Alpha Edition Type: Enchantment Aura Rarity: Uncommon Cost: {R} Enchant creature Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)