Mikaeus, the Unhallowed + Retribution of the Ancients + Blood Vassal

Prerequisites

• Blood Vassal does not have a +1/+1 counter on it.

Steps

1. 1Activate Blood Vassal by sacrificing it, adding .
2. 2Blood Vassal dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. 3Activate Retribution of the Ancients by paying and removing the +1/+1 counter from Blood Vassal, targeting any creature.
4. 4Repeat.

Effects

• Infinite black mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Reduce the toughness of creatures opponents control to 0