Bloodflow Connoisseur + Glen Elendra Archmage + Hardened Academic

WUBR identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Glen Elendra Archmage
• Hardened Academic

How to execute it

1. Activate Bloodflow Connoisseur by sacrificing Glen Elendra Archmage.
2. When Glen Elendra Archmage 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 Glen Elendra Archmage.
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