Kaina, Feral Shiba

When Kaina, Feral Shiba becomes the target
of a spell or ability an opponent controls, that opponent discards X cards, where X is the amount of creatures in your graveyard or in exile.
Whenever you take damage, you may discard
a card, if you do, put +1/+1 counters for the amount of life lost on Kaina, Feral Shiba.