Gastly (50/102) [Base Set Shadowless Unlimited] HGSS19 Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {6}{G}{G} Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake

Set: Black & White: Dark Explorers Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

Set: Exodus Type: Enchantment Rarity: Rare Cost: {3}{R} Whenever a creature enters the battlefield

Set: Gym Challenge Unlimited Type: Grass Rarity: Rare Retreat cost: Colorless

If that spell is countered this way

Gastly (50/102) [Base Set Shadowless Unlimited] HGSS19 Set: Betrayers of Kamigawa Type:Set: Base Set Shadowless Unlimited Type: Psychic Rarity: Common