Angel of Indemnity, Bloodflow Connoisseur, and Felidar Guardian

Prerequisites

• Angel of Indemnity on the battlefield
• Bloodflow Connoisseur on the battlefield
• Felidar Guardian in hand
• undefined available

Steps

1. Cast Felidar Guardian by paying
2. When Felidar Guardian enters the battlefield, it triggers, targeting Angel of Indemnity
3. Holding priority, activate Bloodflow Connoisseur by sacrificing Felidar Guardian
4. Resolve the Felidar Guardian ability, blinking Angel of Indemnity
5. When Angel of Indemnity enters the battlefield, it triggers, returning Felidar Guardian from your graveyard to the battlefield
6. Repeat from step 2 any number of times
7. Resolve all abilities from step 3, putting any number of +1/+1 counters on Bloodflow Connoisseur

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on Bloodflow Connoisseur