Shah-Ru, Disciple

Haste, ward 3
{u}{b}{r}, {ut}: Target opponent separates each attacking or blocking creature he or she controls
into two face up piles. You may reveal a Minotaur
creature card from your hand. If you do,
Shah-Ru, Disciple deals damage to each creature
in a pile of your choice equal to the revealed
card's power. Activate only after attacker are declared, before defense is chosen.