Astra, creator of the Link

Flying, Menace, Trample.
When Astra comes into the battlefield, create three 2/3 Loyal Guard creature tokens.
Whenever Astra attacks, put a +1/+1 token on
each attacking creature.
At the beginning of your end step, untap each creature with a +1/+1 token on it.
{2}{b}{r}: Destroy target card on the battlefield.
{1}{g}: Counter target spell.