The Defect

At the beginning of your main phases, add {e}.
{e}{e}: Channel Dark — Put a dark counter on
The Defect.
At the beginning of your upkeep, double the
number of dark counters on The Defect.
Evoke — Remove all dark counters from The Defect. It deals damage equal to the number removed to target creature or player. Activate
only as a sorcery.