Infinite LTB, Infinite ETB, Infinite colored mana, Infinite sacrifice triggers, Infinite death triggers
Activate Phyrexian Altar by sacrificing Canker Abomination, adding one mana of any color.
When Canker Abomination dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
When Canker Abomination enters the battlefield, it triggers, putting a number of -1/-1 counters on it equal to the number of creatures an opponent controls.
If the opponent had seven or more creatures, Canker Abomination will die as a state-based action due to having 0
Component Cards
How It Works
Activate Phyrexian Altar by sacrificing Canker Abomination, adding one mana of any color.
When Canker Abomination dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
When Canker Abomination enters the battlefield, it triggers, putting a number of -1/-1 counters on it equal to the number of creatures an opponent controls.
If the opponent had seven or more creatures, Canker Abomination will die as a state-based action due to having 0 or less toughness
If this occurs, repeat steps 2 through 4 infinitely.
Otherwise, repeat from step 1.