Toph, Greatest Earthbender, Ashaya, Soul of the Wild, and Restoration Angel

Prerequisites

• Toph, Greatest Earthbender on the battlefield
• Ashaya, Soul of the Wild on the battlefield
• Restoration Angel in hand
• available

Steps

1. Cast Restoration Angel by paying its mana cost
2. When Restoration Angel enters, it triggers, blinking Toph
3. When Toph enters, it triggers, earthbending Restoration Angel as it's a land due to Ashaya
4. Since zero mana was spent to cast Toph, Restoration Angel becomes a 0/0 creature and dies as a state-based action due to having 0 toughness
5. Toph triggers, returning Restoration Angel from your graveyard to the battlefield
6. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Infinite landfall triggers