Bloodflow Connoisseur + Cavalier of Night + Glasspool Mimic // Glasspool Shore

UB identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Cavalier of Night
• Glasspool Mimic // Glasspool Shore

How to execute it

1. Activate Bloodflow Connoisseur by sacrificing Glasspool Mimic.
2. When Glasspool Mimic dies, its last ability from Cavalier of Night triggers, returning itself from your graveyard to the battlefield as a copy of Cavalier of Night.
3. When Glasspool Mimic enters the battlefield, its first triggered ability from Cavalier of Night triggers; choose not to sacrifice a creature.
4. Resolve the Bloodflow Connoisseur ability from step 1.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers