Mikaeus, the Unhallowed + Carrion Feeder + Flitterwing Nuisance
Produces: Infinite +1/+1 counters on a creature, Infinite ETB, Infinite LTB, Infinite death triggers, Infinite sacrifice triggers
- Mikaeus, the Unhallowed
- Carrion Feeder
- Flitterwing Nuisance
- Color identity
- UB
Steps
- Activate Carrion Feeder by sacrificing Flitterwing Nuisance.
- When Flitterwing Nuisance 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.