When there is an unblocked creature (hereinafter referred to as a seed creature), you can use the ability called (Upper) Ninjutsu to swap it with that creature and enter the battlefield attacking
This gets even nuttier should you time playing Cyberdrive Awakener at the right time
When you attack, both players decide what side of the battlefield their creatures go to, and any creatures on one side of the battlefield cannot block or be blocked by creatures on the other (represented by the fact that they're on opposite sides of the river)
Lands specifically being so simple is a big reduction in mental load, and while there are technically differences between the back (Plain ETB tapped vs ETB tapped unless you pay 3 life), it's not enough that I would (for eg) only run one of those kinds if the front faces both felt right
The third card to come directly from Wizards of the Coast is Falkenrath Reaver, which was posted to the Development Tumblr page
This is the sweet spot where a single search land can pull a triome that taps for all three of your colors, effectively turning one card into a perfect mana source
