Gem-Knight Obsidian [HA06-EN031] Super Rare Synchro/Tuner/Effect Monster that monster gains 1400 ATK

that monster gains 1400 ATK until the End Phase

then target 1 Normal Monster in your GY

Set: Extreme Force Card type: Link/Effect Monster Rarity: Rare Attack: 1800 2 Machine monsters This Link Summoned card is unaffected by Spell/Trap effects and the activated effects of other Link Monsters

if this card has a "The Phantom Knights" card as Xyz Material

Set: Premium Gold: Return of the Bling Card type: Tuner/Effect Monster Rarity: Gold Secret Rare Attack: 1200 Defense: 1000 Cannot be used as a Synchro Material

Gem-Knight Obsidian [HA06-EN031] Super Rare Synchro/Tuner/Effect Monster that monster gains 1400 ATKSet: Hidden Arsenal 6: Omega Xyz Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1200 If this card is sent from the hand to your Graveyard: You can target 1 Level 4 or lower Normal Monster in your Graveyard; Special Summon that target.