Origin's Slash

Origin's Slash deals 3 damage to target creature, Scry 1. If you control
Kiana, True Finality, Bronya, Truth Revealed, and Mei, Bladed Origin, you may
pay an additional {4}. If you do, Origin's
Slash deals 3 damage to each creature your opponents control. Scry X where X is the number of creatures killed this way.