Bloodflow Connoisseur + Glen Elendra Archmage + Mikaeus, the Unhallowed

UB identity

Commander legal

The 3 combo pieces

• Bloodflow Connoisseur
• Glen Elendra Archmage
• Mikaeus, the Unhallowed

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. Resolve the Bloodflow Connoisseur ability.
4. Activate Bloodflow Connoisseur by sacrificing Glen Elendra Archmage.
5. When Glen Elendra Archmage dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
6. Resolve the Bloodflow Connoisseur ability.
7. Repeat.

What the combo produces

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