Elbrus, the Binding Blade // Withengar Unbound + Walking Ballista + Agatha's Soul Cauldron + Grafted Exoskeleton

Prerequisites

• Withengar Unbound does not have summoning sickness.
• An opponent cannot block Withengar Unbound, or cannot prevent at least ten trample damage from Withengar Unbound.
• Grafted Exoskeleton attached to Withengar Unbound.
• Walking Ballista exiled by Agatha's Soul Cauldron.

Steps

1. 1Deal combat damage to an opponent using Withengar Unbound, causing them to get at least ten poison counters.
2. 2The opponent loses the game as a state-based action due to having ten or more poison counters.
3. 3Withengar Unbound triggers, putting thirteen +1/+1 counters on it.
4. 4Activate Withengar Unbound using Walking Ballista's second ability by removing a +1/+1 counter from it, giving an opponent a poison counter.
5. 5Repeat step 4 until the opponent loses the game as a state-based action due to having ten or more poison counters.
6. 6Repeat from step 3.

Effects

• Each opponent loses the game