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

Set: Hidden Summoners Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 800 Defense: 2100 1 Tuner + 1+non-Tuner monsters / You can only control 1 "Oboro-Guruma

When this card inflicts battle damage to your opponent by a direct attack: Discard 1 random card from their hand

Set: Dragons of Legend 2 Card type: Normal Trap Rarity: Super Rare Target 1 Dragon-Type monster on the field

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.