Aura Sing, Rouge Jedi

Haste
Aura Sing, Rouge Jedi cannot die from combat
damage
{r}{t} Target creature gains haste until end of turn.
When three creatures under you control have
attacked on their first turn, Aura Sing, Rouge
Jedi gains +1/+2 and, whenever a creature is
blocked, or blocks this creature, that creature
taps and doesn't untap during their controllers
next untap step.