Deadeye Navigator, Blessed Sanctuary, Phyrexian Altar, and Doubling Season

Prerequisites

• Deadeye Navigator on the battlefield
• Blessed Sanctuary on the battlefield
• Phyrexian Altar on the battlefield
• Doubling Season on the battlefield
• Deadeye Navigator is paired with another creature
• available

Steps

1. Activate Deadeye Navigator by paying , blinking it
2. When Deadeye Navigator enters the battlefield, its soulbond ability and Blessed Sanctuary triggers
3. Resolve the Deadeye Navigator trigger, pairing it and another creature you control
4. Resolve the Blessed Sanctuary trigger, creating two 2/2 Unicorn creature tokens
5. Activate Phyrexian Altar twice by sacrificing the Unicorns, adding
6. Repeat

Results

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