Quetzalcoatl

Flying, haste
{w/b}{w/b}{w/b},{t}: Deal 6 damage to target creature or player, Quetzalcoatl then gains Toughness back equal to the damage dealt with this ability.
{7},{t}: Send all of the opponent's creatures or permanents (excluding lands) on the field to the graveyard, Quetzalcoatl gains a -3/3 counter.