Robaran Mercenaries, Fain, the Broker, Marrow-Gnawer, and Phyrexian Altar

Prerequisites

• Robaran Mercenaries on the battlefield
• Fain, the Broker on the battlefield
• Marrow-Gnawer on the battlefield
• Phyrexian Altar on the battlefield
• Robaran Mercenaries does not have summoning sickness
• You control at least seven Rats

Steps

1. Activate Robaran Mercenaries using Marrow-Gnawer's ability by sacrificing a Rat and tapping it, creating at least six 1/1 Rat creature tokens
2. Activate Phyrexian Altar four times by sacrificing four Rats, adding
3. Activate Robaran Mercenaries using Fain's fourth ability by paying , untapping Robaran Mercenaries
4. Repeat
5. Once you have infinite creature tokens, you may instead activate Fain's first ability to put infinite +1/+1 counters on creatures you control

Results

• Infinite +1/+1 counters
• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite Treasure tokens