Bloodflow Connoisseur + Hardened Academic + Obstinate Gargoyle

RWB identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Hardened Academic
• Obstinate Gargoyle

How to execute it

1. Activate Bloodflow Connoisseur by sacrificing Obstinate Gargoyle.
2. When Obstinate Gargoyle dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Hardened Academic triggers, putting a +1/+1 counter on Obstinate Gargoyle.
4. Resolve the Bloodflow Connoisseur ability.
5. Repeat.

What the combo produces

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