Doftor, Dragon of Hell

Flying, this creature gets +0/+1 for each life
you've lost this game
When a dragon enters the battlefield under your control, you may pay two life, if you do, it fights
target creature you don't control. If it wins, It
gains your choice of lifelink, deathtouch, trample, haste, or double strike. If it ties, you gain life
equal to its converted mana cost, if it loses, you
lose life equal to the power of both creatures
combined.