The Kelpie of Darkwater Cove

Whenever The Kelpie of Darkwater Cove,
becomes blocked, destroy all creatures that are blocking it.
Whenever The Kelpie of Darkwater Cove, deals
combat damage to a player, that player discards
that many cards, and you draw a card for each
card that was discarded this way.
At the beginning of each player's end step, that
player draws a card.