Party Time (Battle for Baldur's Gate): Built around the "Party" mechanic (having a Cleric, Rogue, Warrior, and Wizard), this deck is highly synergistic and contains extremely valuable format staples, making it a great long-term investment
For starters, I should point out that constellation is technically not a keyword mechanic but an ability word
At 1 mana, you cant get much better value for a hard counter, and stopping that specific noncreature spell from resolving is often way more important than the two extra mana theyll have on the following turn
Rakdos gets all the cool designs
Ajani's Aid : Enchantment, casting cost of two generic, one green, and one white mana
Original Dual Lands The best fixing lands ever printed, and part of the reason so many players get priced out of Legacy and other older formats, the original dual cycle includes strictly better basics in cards like Volcanic Island and Scrubland