Broodmother, Uncommon, 10 recruits
Dragon.
Select a card from hand to be replaced with Dragon egg. Next card will be a non-rare dragon.
Due to the Dragon keyword effect, this will more often than not result in a Dragon egg being the next card drawn rather than the non-rare dragon it promises. You might want to instead select a card to be replaced with a non-rare Dragon and have the next card drawn be the egg so the keyword effect wouldn't conflict with the card's summon effect.
Also, whether changing the effect or not, change the text to "Summons..." rather than "Next card will be..."