Buff Swordmaster

Hexproof, Doublestrike or Trample
{g}{g}{g}: This gains +4/+0 until end of turn.
(once per turn)
{g}: Deal 1 damage to target creature
{g}{g}{g}{g}: Deal 1 damage to other players
and their creatures.
{g}{g}{g}{g}{g}{g}{g}{g}{g}{g}: Gain +1/+1