Plague of Vermin, Phyrexian Altar, and South Wind Avatar

Prerequisites

• Plague of Vermin in hand
• Phyrexian Altar on the battlefield
• South Wind Avatar on the battlefield
• available

Steps

1. Cast Plague of Vermin by paying and choosing to pay any amount of life, creating that many 1/1 Rat creature tokens
2. Activate Phyrexian Altar by sacrificing a Rat
3. When the Rat dies, South Wind Avatar's first ability triggers, causing you to gain 1 life
4. South Wind Avatar's second ability triggers, causing each opponent to lose 1 life
5. Repeat from step 2 as able

Results

• Near-infinite ETB
• Near-infinite LTB
• Near-infinite creature tokens for all players
• Near-infinite death triggers
• Near-infinite lifeloss
• Near-infinite sacrifice triggers
• Near-infinite colored mana