Thirenix of the Dark Flame

Flying, Overheat 3 (If this creature dealt combat
damage this turn, it is Overheated: Until the end
of turn, you may discard a card. If you do, it deals
3 damage to any target.)
While Thirenix of the Dark Flame is Overheated,
other creatures you control have "{t}: Target
player loses 1 life".
"... then, before his presence, all the nightmares
became real. There was nowhere to escape. "