Boreal Shelf [Coldsnap] Spirit Bear Zombie-Type monsters you control cannot

Zombie-Type monsters you control cannot be destroyed by battle

then add 1 "Elemental HERO" monster from your Deck to your hand

Special Summon 2 Rockstone Tokens (Rock-Type/Earth/Level 1/ATK 0/DEF 0)

Set: Hobby League 5 Card type: Normal Spell Rarity: Parallel Rare Attack: 0 Defense: 0 If there are 2 or more "Crystal Beast" cards in your Spell & Trap Card Zone

and it gains that monster's original effect

Boreal Shelf [Coldsnap] Spirit Bear Zombie-Type monsters you control cannotSet: Coldsnap Type: Snow Land Rarity: Uncommon Boreal Shelf enters the battlefield tapped. {T}: Add {W} or {U}. "Who will stay the Tyrant's hand, As ice and woe both grip our land? The helpless feel his frozen brand." *The Dynasty of Winter Kings*