Magnetic Mountain [Summer Magic / Edgar] Planechase Anthology Set: Rise of the Eldrazi

Set: Rise of the Eldrazi Type: Sorcery Rarity: Rare Cost: {3}{R}{R} After the first postcombat main phase this turn

Don't trust your secrets to the sea

The player sacrifices that creature

Set: Legends Type: Artifact Rarity: Rare Cost: {6} {4}

Magnetic Mountain [Summer Magic / Edgar] Planechase Anthology Set: Rise of the EldraziSet: Summer Magic Edgar Type: Enchantment Rarity: Rare 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.