Gem-Knight Obsidian [HA06-EN031] Super Rare Synchro/Tuner/Effect Monster Set: Extreme Force Card type:

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

except "Infinitrack Harvester"

or if this card in your possession is destroyed by an opponent's card effect and sent to your Graveyard: You can draw 1 card

if any player's monster would be destroyed by that battle

if this card attacked this turn: Destroy this card

Gem-Knight Obsidian [HA06-EN031] Super Rare Synchro/Tuner/Effect Monster Set: Extreme Force Card type:Set: 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.