Superior Armaments

{r}: Put a training counter on target creature. It
gains haste and +1/+0 until the next end step.
{r}{r}: Target creature you control with a training
counter on it gets +X/+0 until the next end step,
where X is the number of training counters on it.
That creature gains first strike until the next end
step. You may activate this ability once per turn.
{r}{r}{r}: Target creature with first strike and a
training counter on it gains double strike.