When Frost Walker becomes the target of a spell or ability, sacrifice it.

"As the clans carved out their territories, we saw allies where the Mardu saw only obstacles." - Yasova Dragonclaw

• Number: F15-06
• Rarity: P
• Power: 4
• Toughness: 1
• Type: Creature
• Subtype: Elemental
• Mana cost: 1U
• Color: Blue
• Artist: Peter Mohrbacher