Nerelal Echo-Knight

When Nerelal Echo-Knight enters the battlefield, create a 0/0 Echo legendary creature token named
Echo Manifestation.
{r}: Nerelal Echo-Knight gains double strike until end of turn.
{w}: Nerelal Echo-Knight gains lifelink until end of turn.
{2}{r}{w}: When Nerelal Echo-Knight attacks for the first time this turn, untap all creatures you control.
They gain haste until end of turn. After this combat phase, there is an additional combat phase followed by an additional main phase.