Krav, the Unredeemed, Orcish Bowmasters, and Carnival of Souls

Prerequisites

• Krav, the Unredeemed on the battlefield
• Orcish Bowmasters on the battlefield
• Carnival of Souls on the battlefield
• You have a way to give Orcish Bowmasters lifelink
• You control at least one additional creature
• available

Steps

1. If needed, give Orcish Bowmasters lifelink
2. Activate Krav by paying and sacrificing all Armies you control, or one other creature if you don't control an Army, causing an opponent to draw a card and gain 1 life for each creature sacrificed this way, and for you to put that many +1/+1 counters on Krav
3. Orcish Bowmasters triggers for each card drawn this way, dealing that much damage to any target and causing you to gain that much life, then creating a 0/0 Orc Army creature token and put a +1/+1 counter on it for each card drawn
4. When the Orc Army enters the battlefield, Carnival of Souls triggers, causing you to lose 1 life and add
5. Repeat from step 2

Results

• Near-infinite lifegain triggers for all players
• Infinite card draw for opponents
• Infinite draw triggers for opponents
• Near-infinite +1/+1 counters on Krav
• Near-infinite damage
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers