Burrowing [Summer Magic / Edgar] The Dark Zurgo Helmsmasher has indestructible as

Zurgo Helmsmasher has indestructible as long as it's your turn

(Damage dealt by a Sliver creature you control also causes you to gain that much life

At the beginning of your end step

Set: Collectors' Edition Type: Artifact Rarity: Rare Cost: {2} {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of

Set: Mirrodin Type: Artifact Rarity: Uncommon Cost: {2} Imprint — When Isochron Scepter enters the battlefield

Burrowing [Summer Magic / Edgar] The Dark Zurgo Helmsmasher has indestructible asSet: Summer Magic Edgar 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.)