Color Identity: B

Initial Card State
- Tainted Strike in hand.
- Walking Ballista in exile.
- Elbrus and Agatha's Soul Cauldron on the battlefield (Elbrus as Withengar Unbound).
Notable 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.
Mana Needed
- ({B} magic symbol)
available.
Steps
- Cast Tainted Strike by paying ({B} magic symbol)
, giving Withengar Unbound +1/+0 and infect until end of turn. - Deal combat damage to an opponent using Withengar Unbound, causing them to get at least ten poison counters.
- The opponent loses the game as a state-based action due to having ten or more poison counters.
- Withengar Unbound triggers, putting thirteen +1/+1 counters on it.
- Activate Withengar Unbound using Walking Ballista's second ability by removing a +1/+1 counter from it, giving an opponent a poison counter.
- Repeat step 5 until the opponent loses the game as a state-based action due to having ten or more poison counters.
- Repeat from step 4.
Results
- Each opponent loses the game.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).