Blackwing - Kalut the Moon Shadow (Green) [DL11-EN013] Rare Ultimate Edition 2 Set: Turbo Pack: Booster Two

Set: Turbo Pack: Booster Two Card type: Continuous Trap Rarity: Rare Attack: 0 Defense: 0 When the effect of a DARK monster activates on the field or in the Graveyard

Set: EX: Battle Stadium Type: Water Rarity: Rare Retreat cost: 1

so it's easy to meet the requirements of whatever Ritual Monster you want to Summon

Set: HeartGold & SoulSilver: Base Set Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Neo Destiny 1st Edition Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Blackwing - Kalut the Moon Shadow (Green) [DL11-EN013] Rare Ultimate Edition 2 Set: Turbo Pack: Booster TwoSet: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 1400 Defense: 1000 When a "Blackwing" monster you control attacks or is attacked, you can send this card from your hand to the Graveyard during the Damage Step to have that monsters gain 1400 ATK until the End Phase.