Plague Doctor

Plague Doctor enters the Battlefield with {x} Coin Counters.
{t}, Remove a Coin counter, Target Creature gets +0/+3 until end of turn.
{t}, Remove a Coin counter, Target Creature gets +0/-2 until end of turn.
{t}, Remove a Coin counter, Untap Target creature.
{t}, Remove a Coin Counter, Draw a Card