Night of Souls' Betrayal, and Humility

Prerequisites

• Night of Souls' Betrayal on the battlefield
• Humility on the battlefield

Steps

1. Humility makes all creatures lose all abilities and sets their power and toughness to 1/1
2. Night of Souls' Betrayal gives all creatures -1/-1
3. Creatues lose ETB and LTB abilities and die when played

Results

• Creatures die when they enter the battlefield
• Lock on creatures' ETB, LTB