Reign of the Blight Dragon

At the beginning of each upkeep, draw a card and
lose 2 life.
{b}{t}: Target dragon gets +X/+X until end of turn,
where X is the greatest power among dragons you control.
{t}, Sacrifice Reign of the Blight Dragon: Draw a
card, lose 2 life, and put a +1/+1 counter on
target dragon you control.