Super-Skrull, Phyrexian Altar, and Training Grounds

Prerequisites

• Super-Skrull on the battlefield
• Phyrexian Altar on the battlefield
• Training Grounds on the battlefield
• available

Steps

1. Activate Super-Skrull's first ability by paying due to Training Grounds, creating a 0/4 Wall creature token
2. Activate Phyrexian Altar by sacrificing the Wall, adding
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers