Magnetic Mountain [Summer Magic / Edgar] Oath of the Gatewatch Prerelease Promos Activate only if an opponent

Activate only if an opponent controls more lands than you

Set: Conflux Type: Creature — Horror Rarity: Rare Cost: {B} Whenever an opponent draws a card

Set: Aether Revolt Prerelease Promos Type: Sorcery Rarity: Rare Cost: {4}{G}{G} Draw cards equal to the greatest power among creatures you control

Set: Collectors' Edition Type: Creature — Elf Archer Rarity: Rare Cost: {1}{G} First strike

Time passes

Magnetic Mountain [Summer Magic / Edgar] Oath of the Gatewatch Prerelease Promos Activate only if an opponentSet: 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.