Burrowing [Fourth Edition] BT13-048 "You wear that shell as

"You wear that shell as a mask

Set: Commander: Zendikar Rising Type: Creature — Sphinx Rogue Rarity: Rare Cost: {5}{U}{U} Prowl {3}{U} (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or a Rogue

Set: The List Type: Artifact Rarity: Rare Cost: {4} {2}

Set: Time Spiral Timeshifted Type: Instant Rarity: Rare Cost: {1}{R}{R} Fiery Temper deals 3 damage to any target

Set: Amonkhet Type: Creature — Minotaur Warrior Rarity: Uncommon Cost: {3}{R} When Warfire Javelineer enters the battlefield

Burrowing [Fourth Edition] BT13-048 "You wear that shell asSet: Fourth 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.)