Korkuronos's Lancer

Korkuronos's Lancer gets +1/+1 for each
red or white creature you control.
Whenever a creature damaged by this creature
dies, you may pay {r}{w}, if you do, you gain 1 life
and draw a card, then discard a card.
{t}: Korkurono's Lancer deals damage equal
to its power to target creature.