Cautious Greatknight

Haste, First Strike, Undulated Defender (On the
beginning of your upkeep, if this card has no Defender
counters on it, place a Defender counter on it.
Otherwise, remove a Defender counter from it.)
{w/u}{w/u}{t} - Target creature gets +0/+4 until end of
turn. Activate only if this creature has a Defender
counter on it.
"They're the finest knight we have. Only problem is,
they're nervous about... well... combat, it seems."
Captain Horshaw, to General Sulkar