Skirk Prospector, Scuzzback Marauders, and Combine Guildmage

Prerequisites

• Skirk Prospector on the battlefield
• Scuzzback Marauders on the battlefield
• Combine Guildmage on the battlefield
• Scuzzback Marauders does not have a -1/-1 counter on it
• Combine Guildmage does not have summoning sickness
• available

Steps

1. Activate Combine Guildmage's first ability by paying and tapping it
2. Activate Skirk Prospector by sacrificing Scuzzback Marauders, adding
3. When Scuzzback Marauders dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Combine Guildmage
4. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite red mana