Karn, the Great Creator [War of the Spark Prerelease Promos]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. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost. 2: You may choose an artifact card you own from outside the game or in exile, reveal that card, and put it into your hand.

noncreature artifacts you control can't be enchanted

each spell that would cost less than three mana to cast costs three mana to cast

Set: Eternal Masters Type: Artifact Rarity: Rare Cost: {2} As long as Winter Orb is untapped

but before the enemy arrives—that's grabbin' time

If a land card is discarded this way

creatures you control gain lifelink until end of turn

you may create that many 1/1 white Soldier creature tokens

As long as Archmage Ascension has six or more quest counters on it

"Part of me believes that Barrin taught me meditation simply to shut me up

put a -1/-1 counter on each creature target player controls

untap Forsaken City

Set: Magic 2010 Type: Artifact Rarity: Rare Cost: {2} At the beginning of each player's draw step