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

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.
• Walking Ballista exiled by Agatha's Soul Cauldron.

Steps

1. 1Cast Tainted Strike by paying , giving Withengar Unbound +1/+0 and infect until end of turn.
2. 2Deal combat damage to an opponent using Withengar Unbound, causing them to get at least ten poison counters.
3. 3The opponent loses the game as a state-based action due to having ten or more poison counters.
4. 4Withengar Unbound triggers, putting thirteen +1/+1 counters on it.
5. 5Activate Withengar Unbound using Walking Ballista's second ability by removing a +1/+1 counter from it, giving an opponent a poison counter.
6. 6Repeat step 5 until the opponent loses the game as a state-based action due to having ten or more poison counters.
7. 7Repeat from step 4.

Effects

• Each opponent loses the game