Incinerate deals 3 damage to target creature or player. A creature dealt damage this way can't be regenerated this turn.
"Spontaneous combustion is a myth. If you burst into flame, someone wanted you to." —Chandra Nalaar
Official Rulings for Incinerate
7/15/2007 : Regeneration abilities that would affect that creature can still be activated; they just won't do anything. The creature can't be regenerated for any reason, even if an effect other than Incinerate would deal lethal damage to it or otherwise destroy it.