Nether Shadow [Alpha Edition] 198 Set: EX: Dragon Frontiers Type:

Set: EX: Dragon Frontiers Type: Grass Rarity: Uncommon Retreat cost: Colorless

Set: Sun & Moon: Lost Thunder Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

Set: Sword & Shield: Evolving Skies Type: Dragon Rarity: Promo Retreat cost: Colorless

Set: McDonald's Promos: 2014 Collection Type: Grass Rarity: Promo Retreat cost: Colorless

They have "When this creature dies

Nether Shadow [Alpha Edition] 198 Set: EX: Dragon Frontiers Type:Set: Alpha 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.