They often boast the highest value and collector demand in any modern set, distinguishing themselves from Art Rare (AR), Super Rare (SR), and Ultra Rare (UR) cards
Japanese cards appeal to a specialist collector segment smaller demand overall means lower prices
Adjust based on your commander and strategy
Jack of All Trades Counterspell What makes Cryptic so strong is how it combines four different modes: counter target spell, return target permanent to hand, tap all creatures, and draw a card
Paying six mana to give all of your creatures what is essentially double lifelink and flying is a way to either end a game on the spot, or make it nigh impossible for your opponents to outrace you
Most people want to keep the rarest cards together while others want to keep a small binder of only the ultra rares or secret rares