Gemini Engine [Darksteel] Miscellaneous Cards its effects (if any) are

its effects (if any) are negated and it cannot be used as Link Material

Set: Battle Pack 2: War of the Giants Card type: Effect Monster Rarity: Mosaic Rare Attack: 600 Defense: 200 You can Special Summon this card (from your hand) by banishing 1 Spell Card from your Graveyard

or if another Spellcaster monster(s) is Special Summoned to your field: You can target 1 card in your opponent's GY

it can attack again in a row

When an attack is declared involving a Link Monster you control and an opponent's monster: You can banish this card from your GY

Gemini Engine [Darksteel] Miscellaneous Cards its effects (if any) areSet: Darksteel Type: Artifact Creature Construct Rarity: Rare Cost: {6} Whenever Gemini Engine attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to Gemini Engine's power and its toughness is equal to Gemini Engine's toughness. Sacrifice the token at end of combat.