Zenith Doragyurosu

Extreme Dragonblight (Whenever this creature
attacks half the amount of counters on target
creature rounded up)
Whenever a creature with the creature type
Zenith enters the battlefield under your control
or leaves the battlefield, remove half the amount
of counters on target creature rounded up
{5}{w/b}{w/b}{ut}: Deal 7 damage to 4 target creatures.
Only active if this creature is blocked.