Dual Nature + Balthor the Defiled + Blood Vassal

Prerequisites

• Balthor in hand.

Steps

1. 1Cast Balthor by paying .
2. 2Balthor enters the battlefield, triggering Dual Nature's first ability, creating a token copy of Balthor.
3. 3Put the nontoken Balthor into your graveyard due to the legend rule.
4. 4Activate Blood Vassal by sacrificing it, adding .
5. 5Activate the token Balthor by paying and exiling it, returning all black and red creature cards from your graveyard to the battlefield.
6. 6Balthor and Blood Vassal enter the battlefield, triggering Dual Nature's first ability twice.
7. 7Resolve the first Dual Nature trigger, creating a token copy of Blood Vassal.
8. 8Activate the token Blood Vassal by sacrificing it, adding .
9. 9Resolve the second Dual Nature trigger, creating a token copy of Balthor.
10. 10Repeat from step 3.

Effects

• Infinite black mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers