Adult Blue Dragon

Flying, Daunt 3 (This creature can't be blocked
by creatures with power 3 or less)

Breath Weapon {1}{u}{u} — Until your next turn, target creature an opponent controls gets -3/-0, up
to one other target creature gets -2/-0, and up to
one other target creature gets -1/-0 (When this creature enters the battlefield, Breath Weapon activates. When it attacks, you may spend its cost to activate it. You may only activate this once per turn.)