The idea, they explained via press releases and blog posts, was to convey the experience of the card game as closely as possible via a computer, complete with a collection element, regular tournaments, and much of the original art
Then, its combat damage trigger accelerates your clock by buffing the damage that all of your other creatures deal for the turn
When a dork or 'walker was deal excess damage, make a flying 4/4 Dragon that can also get ward 2 from her 2nd ability
As a result, each card is a true work of art, capturing the essence of the characters' personalities
Raid Bombardment and Cavalcade of Calamity are very similar cards, and both act as additional copies of Hellrider, albeit more difficult to remove