Warbeast of Gorgoroth, Phyrexian Altar, and Primal Vigor

Prerequisites

• Warbeast of Gorgoroth on the battlefield
• Phyrexian Altar on the battlefield
• Primal Vigor on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing the creature with power 4 or greater, adding one mana of any color When the creature dies, Warbeast of Gorgoroth triggers, creating a 0/0 Army creature token if you don't control one, then putting four +1/+1 counters on an Army you control
2. Repeat

Results

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