Dismiss into Dream, and Deathbringer Thoctar

Prerequisites

• Dismiss into Dream on the battlefield
• Deathbringer Thoctar on the battlefield
• Deathbringer Thoctar has a +1/+1 counter on it

Steps

1. Remve a +1/+1 counter from Deathbringer Thoctar, targeting a creature an opponent controls
2. That creature triggers, causing its controller to sacrifice it
3. Deathbringer Thoctar triggers, putting a +1/+1 counter on itself
4. Repeat

Results

• Destroy all creatures your opponents control
• Destroy each creature your opponent plays in future