Lets demonstrate this by taking a look at a fairly average Sealed deck I recently played that had 17 lands: Why is this deck playing 17 lands rather than, say, 16 lands (-1 Forest, +1 Arrogant Poet) or 18 lands (-1 Tenured Inkcaster, +1 Swamp)
Simply activate Kwain on an opponents turn and you might draw an extra card or else discourage that player from choosing to draw
On the bright side, there will be an open beta available for PC and Mac players later this year prior to launch
Arvin Parker is a lifelong collector of all things sports and pop culture
Even with the one or more clause, being able to increase its own power on its own is always a plus
This capability on a small, +1/+1 counter-growing corgi package is a lovable one