Winter Orb [Collectors' Edition] Blue Set: War of the Spark

Set: War of the Spark Prerelease Promos Type: Legendary Planeswalker — Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated

Set: Battle for Zendikar Prerelease Promos Type: Creature — Eldrazi Rarity: Mythic Cost: {9} Your opponents can't cast spells with even mana values

follows the normal Fires archetype of playing cheap creatures followed by Fires of Yavimaya and big creatures like Blastoderm or Spiritmonger

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

Winter Orb [Collectors' Edition] Blue Set: War of the SparkSet: Collectors' Edition Type: Artifact Rarity: Rare Cost: {2} As long as Winter Orb is untapped, players can't untap more than one land during their untap steps.