Corviknight

{3}{w}{w}{w}: Evolve, place Corviknight on target Corvisquire you control
Mirror Armor (When you are given a negative counter, instead, reverse it back at the opponent)
{3}{w}{w}: Steel Wing, deals 4 damage to target
creature
{3}{w}{w}{w}: Brave Bird, deals 6 damage to target creature, but this creature gains a -1/-1 counter