Atkos Tarr, Secret Assassin

Deathtouch, Skulk
Whenever Atkos Tarr, Secret Assassin deals
combat damage to a planeswalker, destroy it.
Whenever Atkos Tarr, Secret Assassin deals
combat damage to a player, that player reveals
their hand. You choose a card from that player's
hand and exile it. You may play that card for as
long as it remains exiled.
{r}{g}: Transform Atkos Tarr, Secret Assassin.
Activate this ability only any time you
could cast a sorcery.