Fjord, the Hexblade

Menace
Whenever Fjord enters the battlefield, if a creature or player has a counter on it, double the amount of counters on one of those targets.
{2}{b}, {t}: Tap Target creature, then, put a -1/-1 counter on it.
{2}{b}{u}: Return Fjord from your graveyard to the battlefield tapped.
"Giddy up, buttercup."