Simic Growth Chamber [Ravnica Allegiance Guild Kit] Fossil 1st Edition You can only use this

You can only use this effect of "Zefraxa

Set: Duelist Revolution Card type: Synchro/Effect Monster Rarity: Ultra Rare Attack: 2800 Defense: 2000 1 Tuner + 1 or more non-Tuner monsters Once per turn

This card inflicts 500 points of Direct Damage to your opponent''s Life Points during each of your Standby Phases

Set: Phantom Rage Card type: Xyz/Effect Monster Rarity: Secret Rare Attack: 3000 Defense: 3000 2 Level 12 monsters Once per turn

When Trostani Discordant enters the battlefield

Simic Growth Chamber [Ravnica Allegiance Guild Kit] Fossil 1st Edition You can only use thisSet: Ravnica Allegiance Guild Kit Type: Land Rarity: Uncommon Simic Growth Chamber enters the battlefield tapped. When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{U}.