Tarhos Kovács, the Knight

Whenever Tarhos Kovács, the Knight attacks and is blocked, manifest dread

Whenever you manifest dread, choose one set
of counters for the manifested card that you have not chosen this turn
•Carnifex-Trample and two +1/+1
•Jailer-Vigilance and menace
•Assassin-Haste and deathtouch