Bloodflow Connoisseur, Naru Meha, Master Wizard, and Black Sun's Twilight

Prerequisites

• Bloodflow Connoisseur on the battlefield
• Naru Meha, Master Wizard in hand
• Black Sun's Twilight in hand
• available

Steps

1. Cast Black Sun's Twilight by paying Holding priority, cast Naru Meha by paying its mana cost
2. When Naru Meha enters, it triggers, targeting Black Sun's Twilight
3. Holding priority, activate Bloodflow Connoisseur by sacrificing Naru Meha
4. Resolve the Naru Meha trigger, copying Black Sun's Twilight Resolve the Black Sun's Twilight copy, returning Naru Meha from your graveyard to the battlefield
5. Repeat from step 3

Results

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