opus 3 booster box New Product Information - Journey of Discovery - Pack Set Opus III collection and power up your deck! Opus III (3) Booster Box

They make it so that if a source you control would deal damage to a permanent or a player, it deals double that damage instead

Think of these cards as speed bumps, not roadblocks

Next, he used his Mermail Abyssgundes effect to Special Summon Mermail Abysslinde in Defense Position, and used Zenmainess effect to destroy High Priestess of Prophecy in his End Phase

The 15 Commons that got the "light and dark treatment" are: Army of Allah, Bird Maiden, Camel, Erg Raiders, Fishliver Oil, Giant Tortoise, Hasran Ogress, Moorish Cavalry, Nafs Asp, Rukh Egg, Piety, Oubliette, Stone-Throwing Devils, War Elephant, and Wyluli Wolf (Source)

River Song's first ability applies to all cards you draw while it is on the battlefield, not just the card you draw for your turn