Perilous Forays, Proteus Machine, and Yedora, Grave Gardener

Prerequisites

• Perilous Forays on the battlefield
• Proteus Machine on the battlefield
• Yedora, Grave Gardener on the battlefield
• available

Steps

1. Activate Perilous Forays by paying and sacrificing Proteus Machine
2. When Proteus Machine dies, Yedora triggers, returning Proteus Machine to the battlefield face down as a Forest land
3. Resolve the Perilous Forays ability, causing you to search your library for a basic land card and put it onto the battlefield tapped
4. Activate Proteus Machine by tapping it, adding
5. Activate Proteus Machine's morph ability by paying , turning it face up
6. Repeat

Results

• Infinite death triggers
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers
• Put all basic land cards from your library onto the battlefield tapped