The Deathtouch Brick

Deathtouch, Defender, Flash
When The Deathtouch Brick enters the battlefield, you may sacrifice it and have it deal 1 damage to target attacking or blocking cretaure.
{2}{b}{b},Tap a creature you control: The Deathtouch Brick gains reach and cannot block creatures
without flying until end of turn. When The Deathtouch Brick blocks this turn, sacrifice it.