To note, it only lets you play the card this turn, thus I would lean towards using the plot mechanic to make sure we have enough mana for whatever we hit
Blue/Yellow deck construction is about balancing three separate packages, each competing for slots
These packs used to contain one basic land, one rare, three uncommons, and ten commons, randomized within their rarity parameters and their expansion or set , as the different waves of official cards are called
Bottom line: Buy Collector boosters if youre aiming for the high-ticket versions of cards, stick to the Beyond boosters if you just want to crack a few packs and get a feel for the set
Defeated warriors go to war first, and then seek to win