Birds of Paradise (Nicolas Labarre) [World Championship Decks 2000] Phyrexian Construct Whenever Gruul Beastmaster attacks

Whenever Gruul Beastmaster attacks

Set: Betrayers of Kamigawa Type: Legendary Creature — Spirit Rarity: Rare Cost: {4}{R}{R} Goblin offering (You may cast this card any time you could cast an instant by sacrificing a Goblin and paying the difference in mana costs between this and the sacrificed Goblin

Set: Future Sight Type: Creature — Elf Shaman Rarity: Common Cost: {3}{G} When Llanowar Empath enters the battlefield

The same is true for artifacts and enchantments

Birds of Paradise (Nicolas Labarre) [World Championship Decks 2000] Phyrexian Construct Whenever Gruul Beastmaster attacksSet: World Championship Decks 2000 Type: Creature Bird Rarity: Rare Cost: {G} Flying {T}: Add one mana of any color.