Sets have never had any variations in their booster box designs, other than the 1st edition stamps on older boxes, and Asian boxes which do differ
One your mana was doubled there were any number of ways to start generating massive card advantage and take over the game in short order, with Wrath of God serving as the four-drop to lead into the Wake and Mirari itself, which was usually the way things ended
If you don't, it gains haste." If Rhythm of the Wild leaves the battlefield at the same time that a nontoken creature enters (most likely because that creature has a replacement effect that modifies how it enters, such as Rescuer Sphinx from the War of the Spark release), that creature still gets a +1/+1 counter or haste
Some people see this as a bad fetchland, but I see it as a license to play five-color decks in Modern
Death's Oasis is pretty straightforward: whenever one of our non-token creatures dies, we get to mill two cards and then return a creature of lesser converted mana cost to our hand
