Ghired, Mirror of the Wilds, and Derevi, Empyrial Tactician

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Derevi, Empyrial Tactician on the battlefield
• You have a way to create a token copy of Derevi

Steps

1. Create a token copy of Derevi
2. Put the nontoken Derevi into your graveyard due to the legend rule
3. Activate Ghired by tapping it, creating a token copy of the Derevi copy
4. Put either Derevi into your graveyard due to the legend rule
5. When the Derevi token enters the battlefield, it triggers, untapping Ghired
6. Repeat from step 3

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers