Sips, 100% Cursed Killer

When you deal damage, that person discards
a card at random. When you take damage,
put a +2/+2 counter on this creature. You
may discard a card, this card gains Trample,
Reach, or Deathtouch. When you play an
instant, flip a coin. On Heads, you may play
it twice. On Tails, the card is discarded