Nether Shadow [Collectors' Edition]Set: Collectors' Edition Type: Creature Spirit Rarity: Rare Cost: {B}{B} Haste At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow onto the battlefield.

sacrifice Skeleton Ship

Set: Saviors of Kamigawa Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{W} Whenever a source an opponent controls deals damage to you

*Watership Down*

"It is evidence that some pure corner of the world must still exist

you may search your library for up to three basic land cards

Set: Ninth Edition Type: Instant Rarity: Common Cost: {2}{R} Add {R}{R}{R}{R}{R}

Set: EX: FireRed & LeafGreen Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: Celebrations: 25th Anniversary - Classic Collection Type: Psychic Rarity: Ultra Rare Retreat cost: Colorless

At the beginning of the upkeep of enchanted artifact's controller

where X is 1 plus the sacrificed creature's mana value

Set: Tenth Edition Type: Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep

and enchantment with mana value X or less