Illuminated of Re-Ser-Char

Your opponents play with the top card of their
decks revealed.
During your upkeep, put an overload counter on Illuminated of Re-Ser-Char.
{r}, {t}: Illuminated of Re-Ser-Char deals X
damage to any target, where X is the number of overload counters on it. After this, remove all overload counters from this permanent.