Jinnie Fay, Jetmir's Second, Essence of Orthodoxy, and Maskwood Nexus

Prerequisites

• Jinnie Fay, Jetmir's Second on the battlefield
• Essence of Orthodoxy on the battlefield
• Maskwood Nexus on the battlefield
• You have a way to cause a creature to enter the battlefield under your control

Steps

1. Cause a creature to enter the battlefield under your control
2. When the creature entes the battlefield as a Phyrexian due to Maskwood Nexus, Essence of Orthodoxy triggers, creating a 2/2 Cat creature token with haste or a 3/1 Dog creature token with vigilance
3. Repeat step 2

Results

• Infinite creature tokens with haste
• Infinite ETB