It only requires one green mana, and it can buy you a turn to regroup and strike back
Modern Magic cards use different symbol colours to show rarity: common, uncommon, rare, and mythic rare
Whatever game aspect you need to improve whether its mana, cards in hand, or stats in play, Atraxa will help you get there
Yiazmat is extremely difficult to defeat in-game, so since you went through all the perils of completing this sidequest, now your opponents have to go through the perils of battling this nearly indestructible ultimate boss
Shenzi Head Hyena is only a 1-of in the deck, but creates a big problem if you have any other Hyenas
Dion, Bahamuts Dominant / Bahamut, Warden of Light Rating: 8/10 The base rate of a 3/3 plus a 2/2 for just 4 mana is a great start, plus they have flying on your turn