Yedora, Grave Gardener, Thelonite Hermit, and Phyrexian Altar

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Thelonite Hermit on the battlefield
• Phyrexian Altar on the battlefield
• available

Steps

1. Activate Phyrexian Altar by sacrificing Thelonite Hermit, adding
2. Thelonite Hermit dies, triggering Yedora, returning Thelonite Hermit from your graveyard to the battlefield face down as a Forest land
3. Activate Thelonite Hermit by tapping it, adding
4. Activate Thelonite Hermit's morph ability by paying , turning it face up
5. Thelonite Hermit triggers, creating four 1/1 Saproling creature tokens
6. Activate Phyrexian Altar three times by sacrificing three Saprolings, adding
7. Repeat

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers