Astel, Naturalborn of the Void

This spell can't be countered.

Flying, protection from mana value 2 or less.

When Astel enters, if you cast it, put a stun counter on up
to X target permanents, where X is the number of times you have cast a commander from your command zone this game.

{3}{w}{u}{b}{g}: Creatures you control with mana value 7 or greater gain lifelink, flying, deathtouch, and trample until
end of turn.