Antler Skulkin + Ashnod's Altar + Callous Sell-Sword // Burn Together + 1 more
Infinite +1/+1 counters on a creature, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers
Activate Antler Skulkin by paying , giving Callous Sell-Sword persist until end of turn.
Activate Ashnod's Altar by sacrificing Callous Sell-Sword, adding .
When Callous Sell-Sword dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
Callous Sell-Sword enters the battlefield with an additional +1/+1 counter on it for each creature you controlled that died this turn.
Repeat.
Component Cards
How It Works
Activate Antler Skulkin by paying , giving Callous Sell-Sword persist until end of turn.
Activate Ashnod's Altar by sacrificing Callous Sell-Sword, adding .
When Callous Sell-Sword dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
Callous Sell-Sword enters the battlefield with an additional +1/+1 counter on it for each creature you controlled that died this turn.
Repeat.