Nergigante, Eater of Elders

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Flying, Haste, Trample, Hexproof
Whenever Nergigante, Eater of Elders
becomes blocked by a creature,
it deals 3 damage to that creature
and 5 damage to that creature's
controller.