Donvak, The Adjudicator

Flying, First Strike
Whenever Donvak, The Adjudicator engages in
combat with a creature that could kill it, instead
of dealing damage a coin must be flipped, losing creature dies. You call the side.
Whenever Donvak, The Adjudicator becomes untapped, you may exile target permanent. Its controller reveals their hand and discards
all cards with the same name as the exiled
permanent.