There are plenty of cards that have higher costs than their other reprints thanks to the old border treatment
The Umbreon Ex card is no different - harder to pull and stronger to play than your regular Umbreons, it's naturally going to have some value
An alien in diapers to say Congratulations on your new baby, fellow Area 51 raider. An ice pop wearing sunglasses to give your cool Pop (it wouldnt be a Fathers Day card without a terrible dad joke)
Ultra Pro Playmat: MTG Final Fantasy - Clive, Ifrits Dominant / Ifrit, Warden of Inferno (Double-Sided) Ultra Pro Playmat: MTG Final Fantasy - Clive, Ifrits Dominant / Ifrit, Warden of Inferno (Double-Sided) Ultra Pro Double-Sided Playmats featuring popular Magic: The GatheringFINAL FANTASY Clive, Ifrits Dominant / Ifrit, Warden of Inferno artwork printed on both sides of the playmat
Below are some of my recommendations, but I would mostly recommend you check out the CommandZone on Youtube - they have a deckbuilding guide that is very good