standard card sleeves size Jumbo L Oversized (50) Buy with confidence TBG Card Game Size Card

Sort Card Type Armored Mewtwo - SM228 #SM228Promo $283.86 Cresselia - 87/236 (Mewtwo Stamped) #87Promo $0.22 Cynthia - 119/156 (Mewtwo Stamped) #119Promo $0.33 Eevee - 49/68 (Mewtwo Stamped) #49Promo $0.86 Espeon - 89/214 (Mewtwo Stamped) #89Promo $1.60 Hau - 120/149 (Mewtwo Stamped) #120Promo $0.14 M Mewtwo EX #43None $49.75 M Mewtwo ex - 028/059 #28Double Rare $80.00 M Mewtwo EX - 63/162 #63Promo M Mewtwo EX - 64/162 #64Promo M Mewtwo EX (159 Full Art) #159Ultra Rare $130.11 M Mewtwo EX (160 Full Art) #160Ultra Rare $145.90 M Mewtwo EX (63) #63Ultra Rare $52.70 M Mewtwo EX (64) #64Ultra Rare $37.40 Mareanie - 105/214 (Mewtwo Stamped) #105Promo $0.21 Mega Mewtwo EX - 026/059 #26Double Rare $14.00 Mega Mewtwo EX - 063/059 #63Super Rare Mesprit - 84/236 (Mewtwo Stamped) #84Promo $0.31 Mew - 32/68 (Mewtwo Stamped) #32Promo $3.65 Mewtwo #10Holo Rare $78.89 Mewtwo #10Holo Rare $266.40 Mewtwo #10Holo Rare $61.32 Mewtwo #29Rare $43.12 Mewtwo #9Holo Rare $74.94 Mewtwo #11Holo Rare $109.29 Mewtwo #9Promo $550.00 Mewtwo #53Holo Rare $22.43 Mewtwo #51Rare $2.42 Mewtwo #12Holo Rare $8.92 Mewtwo #75Rare $2.81 Mewtwo #56Rare $0.42 Mewtwo #56Promo $0.59 Mewtwo #59Holo Rare $2.88 Mewtwo #150Rare $2.29 Mewtwo #14Classic Collection $27.04 Mewtwo #59Uncommon $0.47 Mewtwo #35Rare $0.99 Mewtwo #54None $1.99 Mewtwo #16Uncommon $7.15 Mewtwo #36Rare $1.99 Mewtwo #49Rare $30.95 Mewtwo - 051/131 #51None $49.99 Mewtwo - 052 #52Promo $44.58 Mewtwo - 052/131 #52None $7.50 Mewtwo - 056/172 (Cosmos Holo) #56Promo $78.33 Mewtwo - 063/059 #63Super Rare Mewtwo - 150/165 #150Rare $0.47 Mewtwo - 183/165 #183Art Rare $17.16 Mewtwo - 2009 (David Cohen) #9Rare $18.50 Mewtwo - 51/108 (Cracked Ice Holo) #51Holo Rare $15.81 Mewtwo - 75/214 (SM Unbroken Bonds) (Cracked Ice Holo) #75Holo Rare $10.00 Mewtwo - S4/S4 (Box Topper) #S4Promo $352.49 Mewtwo - SM214 #SM214Promo $15.56 Mewtwo - SM77 #SM77Promo $20.38 Mewtwo - XY100 #XY100Promo $20.37 Rocket's Mewtwo - 8 [Winner] #8Promo $1450.00 Shining Mewtwo #109Secret Rare $940.00 Mewtwo GX (Secret Shining) #78Shiny Holo Rare $751.62 Rocket's Mewtwo ex #99Ultra Rare $565.00 Mewtwo #9Promo $550.00 Team Rocket's Mewtwo ex - 231/182 #231Special Illustration Rare $537.00 Mewtwo & Mew GX - 098/094 #98Super Rare $407.85 Mewtwo & Mew GX (Secret) #242Secret Rare $406.83 Team Rocket's Mewtwo ex - 281/217 #281Special Illustration Rare $400.66 Mewtwo (20) #20Holo Rare $388.85

however, this is purely speculation

King Fog

This blue enchantment lets you cast spells from your hand for free, completely ignoring their mana costs

For example, I didnt even mention the puzzle piece cards that could be assembled to build a super-oversized Chaos Orb (the majority of value to these lies in the one ultrarare piece, see image below)