Blade of the Bloodchief, Scurry Oak, and Phyrexian Altar

Prerequisites

• Blade of the Bloodchief on the battlefield
• Scurry Oak on the battlefield
• Phyrexian Altar on the battlefield
• Blade of the Bloodchief attached to Scurry Oak
• You control at least one additional creature

Steps

1. Activate Phyrexian Altar by sacrificing another creature, adding one mana of any color
2. When the creature dies, Blade of the Bloodchief triggers, putting a +1/+1 counter on Scurry Oak
3. Scurry Oak triggers, creating a 1/1 Squirrel creature token
4. Repeat

Results

• Infinite +1/+1 counters on Scurry Oak
• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers