Felidar Guardian, Vesperlark, and Woe Strider

Prerequisites

• Felidar Guardian in hand
• Vesperlark on the battlefield
• Woe Strider on the battlefield
• available

Steps

1. Cast Felidar Guardian by paying
2. When Felidar Guardian enters the battlefield, it triggers, targeting Vesperlark
3. Holding priority, activate Woe Strider by sacrificing Felidar Guardian
4. Resolve the Felidar Guardian trigger, blinking Vesperlark
5. When Vesperlark leaves the battlefield, it triggers, returning Felidar Guardian from your graveyard to the battlefield
6. Repeat from step 2

Results

• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite scry 1
• Infinite death triggers