Magnetic Mountain [Arabian Nights] RC3 Set: Sword & Shield: Chilling

Set: Sword & Shield: Chilling Reign Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

Set: Tempest Type: Artifact Rarity: Rare Cost: {2} Blue spells you cast cost {1} less to cast

Set: Magic 2011 Type: Artifact Rarity: Rare Cost: {3} {T}: Each player draws a card

Set: Diamond & Pearl: Stormfront Type: Water Rarity: Rare Retreat cost: Colorless

With power as vast as the sea

Magnetic Mountain [Arabian Nights] RC3 Set: Sword & Shield: ChillingSet: Arabian Nights Type: Enchantment Rarity: Uncommon Cost: {1}{R}{R} Blue creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped blue creatures they control and pay {4} for each creature chosen this way. If the player does, untap those creatures.