CommanderModernLegacyVintage
Result
Infinite +1/+1 counters on a creature, Infinite ETB, Infinite LTB, Infinite death triggers, Infinite sacrifice triggers
Activate Bloodflow Connoisseur by sacrificing Moonshadow.
When Moonshadow 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 Bloodflow Connoisseur ability
Repeat.
Component Cards
How It Works
1
Activate Bloodflow Connoisseur by sacrificing Moonshadow.
When Moonshadow 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 Bloodflow Connoisseur ability
Repeat.