Hiscoth, Silent Scale

Haste
{r}, Discard a creature card: Hiscoth, Silent Scale becomes unblockable until end of turn. If the
discarded card shares a creature type with this
card, draw a card.
Hiscoth, Silent Scale gets +1/0 for each card
in your graveyard that shares a creature type
with it.
At the beginning of your end step, return a
creature you control to your hand.