whats a side deck in yugioh What are good options for Yu-Gi-Oh deck? How To Utilize The Side

Some cards with very large numbers in the top right-hand corner will dominate tournament landscapes

and why I think its overrated

Woodland Changeling

Number 95: Galaxy-Eyes Dark Matter Dragon Number 95: Galaxy-Eyes Dark Matter Dragon Dragon XyzEffect You can also Xyz Summon this card by using a "Galaxy-Eyes" Xyz Monster you control (transfer its materials to this card)

82005274 0YYY Codes: 103 = Mach Bike 104 = Coin Case 105 = ItemFinder 106 = Old Rod 107 = Good Rod 108 = Super Rod 109 = SS Ticket 10A = Contest Pass 10C = Wailmer Pail 10D = Devon Goods 10E = Soot Sack 10F = Basement Key 110 = Acro Bike 111 = Pokeblock Case 112 = Letter 113 = Eon Ticket 114 = Red Orb 115 = Blue Orb 116 = Scanner 117 = Go-Goggles 118 = Meteorite 119 = Rm 1 Key 11A = Rm 2 Key 11B = Rm 4 Key 11C = Rm 6 Key 11D = Storage Key 11E = Root Fossil 11F = Claw Fossil 120 = Devon Scope Obtain Different Potions but make sure to replace YYY with item codes below