World-Destroying Rift

Convoke
Deal 1 damage to target creature. For each
Kisr"iian creature in play, you may deal 1 damage
to another target creature. If this card's cost was
paid for by convoke, shuffle this card into your library.
A rift can be terrifying. A rift could mean the end of
your life, and the destruction of your home. It could
mean a complete change that could cripple your entire
blood-line. The rifts truly are world-changing.