No specific date for this one yet, though Autumn looks the likely date of arrival for this highly-anticipated release
Meaning it will be copied for each spell cast before it that turn
Her blanket ability of your creature tokens getting haste is already great, and her parlay ability builds up your army, buffs them up, and draws everyone cards
5 Elenda, Saint of Dusk Makes Combat Miserable For Opponents Beware the Dreaded State-Based Action Check The Magic design team has moved away from using Hexproof in favor of the Ward keyword, to some players' delight and others' chagrin, but sometimes a card makes its way through design with a special form of Hexproof, such as Elenda, Saint of Dusk, whose Hexproof from Instants ability allows her to dodge the majority of targeted removal in the MTG Foundations format
Toughness is a fine and strong mechanic to run with, but its much better done on other commanders like Arcades, the Strategist where you have access to blue and green instead of whatever other color you get with your background
Each new MTG set normally contains somewhere between 200 and 300 cards