Megálos, Watcher of All

Flying
Whenever one or more Birds you control deal combat damage to a player, choose one —
• You may put a Bird creature card from your
hand or graveyard onto the battlefield with a finality counter on it.
• Put a +1/+1 counter on each Bird you control.
• Draw a card.
"Whatever may come from this egg, there is nigh infinite potential. That is Hope itself."