Tyvar, Boasting Rallier

Haste, menace

You may activate abilities of other creatures you control you as though those creatures had haste.

Boast — Sacrifice a creature or discard a card:
Mill two cards. You may return target creature card with mana value 2 or less from your graveyard to
the battlefield. (Activate this ability only if this creature attacked this turn and only once each turn.)