Yedora, Grave Gardener, Life and Limb, and Deathspore Thallid

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Life and Limb on the battlefield
• Deathspore Thallid on the battlefield
• You control a nontoken Saproling and/or creature with changeling

Steps

1. Activate Deathspore Thallid's second ability by sacrificing a nontoken Saproling or creature with changeling, targeting any creature
2. When the creature dies, Yedora triggers, returning the creature from your graveyard to the battlefield face down as a Forest land and as a 1/1 Saproling due to Life and Limb
3. Repeat
4. Resolve all Deathspore Thallid abilities, giving a creature -1/-1 for each ability

Results

• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers
• Reduce any number of target creatures' toughness to zero