Edited sentence: Adarkar Valkyrie - The win condition of many control decks, the Adarkar Valkyrie can tap to return to play a creature that went to the graveyard that turn.As a special note, Marit Lage token card was given to players who attended the Coldsnap Release tournaments, which is unusual because other sets' Release tournaments reward their attendants with a promotional uncommon card from the set instead.Dark Depths - Removing all of the ice counters on this land will give the owner the most powerful creature token in Magic, an indestructible, flying 20/20 monster named Marit Lage.Lightning Storm - This is the first instant with an activated ability even according to the Oracle; Some instant and sorcery cards from older sets were printed having activated abilities, but are now updated so that the cost of the activated abilities becomes additional costs to play the spells.Ohran Viper - The most expensive rare in the set by far, Ohran Viper is a very powerful card that has both the Curiosityability of drawing a card upon dealing damage to a player, as well as the what has been usually called the Venom ability of killing a creature after dealing combat damage to it.Panglacial Wurm - This is the first ever creature that can be played directly from the library.This, combined with vigilance, makes Adarkar Valkyrie a formidable creature.Vanish Into Memory - This is the winner of You Make the Card 3