Sariel, Exiled Mystic

Whenever Sariel, Exiled Mystic, becomes tapped
it deals damage equal to the number of cards in
your hand, to target creature or planeswalker.
{t}, discard a card: Create a x/x red dragon enchantment creature token with flying, where x
is the discarded card's mana value.
{2}{u/b}{u/b}{u/b}: Transform Sariel, Exiled Mystic.