In mono-blue, I just got to see some of the decks people are trying out, which is cool
You can buy the ability to open packs faster, and there are also currencies you dont have to spend money on, and its all kind of confusing in text, but it makes sense and is easy to understand in context, so, for your sake and mine, I am not going to spend time explaining all of it

Sort Card Type Unown #40Uncommon $1.26 Unown #51Uncommon $0.99 Unown #30Common $0.34 Unown #46None Unown #53None $3.68 Unown #30Common $4.50 Unown - 041/095 #41Uncommon $1.10 Unown - 042/095 #42Uncommon Unown - 043/095 #43Uncommon $2.09 Unown (!) #!Holo Rare $45.00 Unown (!) #42Rare $22.49 Unown (?) #?Holo Rare $123.49 Unown (?) #82Uncommon $5.08 Unown (54) #54Uncommon $1.75 Unown (55) #55Uncommon $1.52 Unown (90) #90Rare $0.82 Unown (91) #91Rare $1.00 Unown (92) #92Rare $0.81 Unown (A) #AHolo Rare $36.81 Unown (B) #BHolo Rare $37.49 Unown (C) #CHolo Rare $43.44 Unown (D) #DHolo Rare $49.62 Unown (E) #EHolo Rare $39.65 Unown (F) #FHolo Rare $35.69 Unown (G) #GHolo Rare $63.81 Unown (H) #HHolo Rare $32.33 Unown (I) #IHolo Rare $51.24 Unown (J) #JHolo Rare $33.75 Unown (J) #76Uncommon $2.09 Unown (K) #KHolo Rare $53.88 Unown (L) #LHolo Rare $28.51 Unown (M) #MHolo Rare $37.19 Unown (N) #NHolo Rare $39.62 Unown (O) #OHolo Rare $34.61 Unown (P) #PHolo Rare $34.01 Unown (Q) #QHolo Rare $28.09 Unown (R) #RHolo Rare $35.67 Unown (R) #77Uncommon $8.09 Unown (R) - 2010 (Yuka Furusawa) #77Uncommon $3.39 Unown (S) #SHolo Rare $35.95 Unown (T) #THolo Rare $35.66 Unown (U) #UHolo Rare $36.67 Unown (U) #78Uncommon $1.68 Unown (V) #VHolo Rare $43.99 Unown (V) #79Uncommon $1.29 Unown (W) #WHolo Rare $38.99 Unown (W) #80Uncommon $1.85 Unown (X) #XHolo Rare $44.13 Unown (Y) #YHolo Rare $39.97 Unown (Y) #81Uncommon $1.72 Unown (Z) #ZHolo Rare $32.00 Unown [A] #65Uncommon $2.82 Unown [A] (14) #14Holo Rare $18.37 Unown [A] (33) #33Rare $8.35 Unown [B] #39Uncommon $3.27 Unown [B] #66Uncommon $1.46 Unown [C] #57Uncommon $7.68 Unown [C] #67Uncommon $1.75 Unown [D] #47Uncommon $2.13 Unown (?) #?Holo Rare $123.49 Unown (G) #GHolo Rare $63.81 Unown (K) #KHolo Rare $53.88 Unown (I) #IHolo Rare $51.24 Unown (D) #DHolo Rare $49.62 Unown (!) #!Holo Rare $45.00 Unown (X) #XHolo Rare $44.13 Unown (V) #VHolo Rare $43.99 Unown (C) #CHolo Rare $43.44 Unown (Y) #YHolo Rare $39.97

More shuffling time means less time to play
Whether you're building a temporary deck, exploring new mechanics, or just want a creative project, proxy cards offer flexibility and accessibility
Other premium duals are costly because they significantly improve consistency in competitive and Commander formats