Laccolith Titan
Nemesis — rare
Creature — Beast
Laccolith Titan rulings:
2004-10-04: The ability triggers even if a spell or ability makes it blocked, instead of being blocked by a creature.
2004-10-04: It can target any creature on the battlefield, not just one of the ones blocking it.
2004-10-04: The ability allows you to deal damage during the declare blockers step of combat, which is well before even first strike creatures deal damage.
2004-10-04: The ability is optional. You can decide to allow it to deal combat damage as normal.