Viego, the Riuned King

Menace, Ward: Sacrifice a Historic permanent.
At the beginning of the combat in your turn,
target player gets two mist counters,
then draw a card.
Whenever your attack, each opponent mill a card
for each mist counter that player have, thenViego becomes a copy of target creature in a graveyard
except his name is Viego. gains indestructible
until end of turn.