Yedora, Grave Gardener + Proteus Machine + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Ashnod's Altar by sacrificing Proteus Machine, adding .
2. 2Proteus Machine dies, triggering Yedora, returning Proteus Machine to the battlefield face down as a Forest land with no other types or abilities.
3. 3Activate Proteus Machine by tapping it, adding .
4. 4Activate Proteus Machine's morph ability by paying , turning it face up.
5. 5Repeat.

Effects

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite green mana
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers