Fetchlands work by paying one life, then you search your library for one of two colors to play instantly, then shuffle your deck
First strike is a marginal ability that requires blocking to begin with (on one side or the other) and requires that you have more power than the opponent has toughness to even matter (give or take the stray dealing of first strike damage followed by a removal spell)
If Rottenmouth Viper leaves the battlefield before its triggered ability resolves, use the number of blight counters that were on it as it last existed on the battlefield to determine how many times each opponent must make the listed choice
The optional transformation, letting Kimahri copy that tapped creature while keeping vigilance and his signature ability, opens up clever lines where he can turn opponents threats into his own tools
They fly higher, faster, and more gracefully than any of my own designs. Noboru, master kitemaker Illustrated by Anthony S