Leviathan [Fourth Edition (Foreign Black Border)] Shadow Specters you may exile a blue

you may exile a blue card from your hand rather than pay this spell's mana cost

Set: Planechase Anthology Type: Artifact Creature — Golem Rarity: Uncommon Cost: {5} As long as Thran Golem is enchanted

If "Gaia the Dragon Champion" inflicts Battle Damage with this effect

Set: Structure Deck: Mechanized Madness Card type: Effect Monster Rarity: Common Attack: 2500 Defense: 3000 When your opponent's monster declares a direct attack

Set: Collectors' Edition Type: Enchantment Rarity: Common Cost: {1}{W} {1}: The next time a blue source of your choice would deal damage to you this turn

Leviathan [Fourth Edition (Foreign Black Border)] Shadow Specters you may exile a blueSet: Fourth Edition (Foreign Black Border) Type: Creature Leviathan Rarity: Rare Cost: {5}{U}{U}{U}{U} Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)