Astel, Born of the Void

Devoid, Flying, Trample
When Astel, Born of the Void enters the battlefield,
create 3 Meteorite tokens.

Waves of Darkness- when Astel attacks you may
pay {x}{x}. You may create X Meteorite tokens that
enter the battlefield tapped.

Whenever a creature delt damage by a Meteorite
would die, exile it and draw a card.