yugioh price card Trends: Yu-Gi-Oh! Cards Climbing in Price Found this old price guide

There is also a Mega Charizard X and special crossover Mario & Luigi versions (among others), though they don't have available market prices on TCGplayer

UR Ultra Rare STAR Starlight Rare Master's Diploman X DARK Level 5 [ MachineEffect ] ATK 2000 DEF 2000 If this card is Tribute Summoned: You can target 1 monster in your GY and 1 face-up monster your opponent controls

There are several reasons for this and they have historically spanned all iterations of aggressive blue decks

as a Stellar Pokmon, it also shows Flareon wearing the Stellar Crown

The most valuable Umbreon cards typically include 1st Edition holographic cards from early sets, Gold Star variants, Alt Art cards from modern sets, and promotional cards with limited distribution