mtg beta playtest cards TL;DR - MB2 - NM - Magic Wrath of Sod - Mystery

This shouldnt come as too much of a shock, as Prospers color combination combined with the ludicrous amount of card advantage it can provide makes it well-positioned for a night of casual Commander

#3: Mana Drain Price: $40.77 A strong contender for the best counterspell in all of Magic, Mana Drain is an auto-include in most blue decks that can afford it

Beginning with Exodus (which was released in 1998), Wizards of the Coast began color-coding expansion symbols to indicate a cards rarity

However, the raw stats on Rhonas are just so good that I think its going to have a huge impact on Standard, starting Week 1 with G/B Aggro decks