Blackwing - Sirocco the Dawn (Blue) [DL17-EN007] Rare International Collectors' Edition Set: Premium Deck Series: Slivers

Set: Premium Deck Series: Slivers Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Set: International Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {1} {T}: Add {C}{C}

Set: Judge Gift Cards 2004 Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Target player takes an extra turn after this one

or triggered ability

Blackwing - Sirocco the Dawn (Blue) [DL17-EN007] Rare International Collectors' Edition Set: Premium Deck Series: SliversSet: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 2000 Defense: 900 If your opponent controls a monster and you control no monsters, you can Normal Summon Set this card without Tributing. Once per turn: You can target 1 "Blackwing" monster you control; until the End Phase, it gains ATK equal to the total ATK of all "Blackwing" monsters currently on the field, except itself. Monster other than the targeted monster cannot attack