Invasion of Azgol // Ashen Reaper - March of the Machine - 232

Battle — Siege

Mana Cost: {B}{R}

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When this Siege enters, target player sacrifices a creature or planeswalker of their choice and loses 1 life.

Uncommon · March of the Machine · #232 (MOM)

Illustrated by Joshua Raphael