CommanderModernLegacyVintage
Result
Infinite +1/+1 counters on a creature, Infinite ETB, Infinite LTB, Infinite death triggers, Infinite sacrifice triggers
Activate Carrion Feeder by sacrificing Slumbering Walker.
When Slumbering Walker dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
Resolve the Carrion Feeder ability
Repeat.
Component Cards
How It Works
1
Activate Carrion Feeder by sacrificing Slumbering Walker.
When Slumbering Walker dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
Resolve the Carrion Feeder ability
Repeat.