Kastral, the Windcrested (Showcase) (BLB-335) - Bloomburrow: (Showcase) (Borderless)

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.