Infinite sacrifice triggers, Infinite death triggers, Infinite +1/+1 counters on a creature, Infinite LTB, Infinite ETB
Activate Bloodflow Connoisseur by sacrifiicing Bloodied Ghost.
When Bloodied Ghost dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it. When it enters, Bloodied Ghost will put a -1/-1 counter on itself, removing the +1/+1 counter.
Resolve the Bloodflow Connoisseur ability.
Repeat.
Component Cards
How It Works
Activate Bloodflow Connoisseur by sacrifiicing Bloodied Ghost.
When Bloodied Ghost dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it
When it enters, Bloodied Ghost will put a -1/-1 counter on itself, removing the +1/+1 counter.
Resolve the Bloodflow Connoisseur ability.
Repeat.