Basking Broodscale, and Cathars' Crusade

Prerequisites

• Basking Broodscale on the battlefield
• Cathars' Crusade on the battlefield
• Basking Broodscale does not have a +1/+1 counter on it
• available

Steps

1. Activate Basking Broodscale's adapt ability by paying , putting a +1/+1 counter on it
2. Basking Broodscale triggers, creating a 0/1 Eldrazi Spawn creature token
3. When the Eldrazi Spawn enters the battlefield, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control
4. Repeat from step 2

Results

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