Rimewind Cryomancer [Coldsnap] Jace if your Wyrm monster battles

if your Wyrm monster battles an opponent's monster that was Special Summoned from the Extra Deck: You can destroy both that opponent's monster and this card

Praetors' Voice

Whenever a Ninja you control deals combat damage to a player

except it doesn't copy that creature's color and it has this ability

Rimewind Cryomancer [Coldsnap] Jace if your Wyrm monster battlesSet: Coldsnap Type: Creature Human Wizard Rarity: Uncommon Cost: {3}{U} {1}, {T}: Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can't be targeted.) "The Thaw brings flooding, disease, and death. We will do all in our power to bring frigid peace back to the world."