yugioh the fang of critias card by GreatDragonSeiryu on DeviantArt This is of the Ultra Rare rarity. The Fang of Critias –

C Common Rainbow Dragon X LIGHT Level 10 [ DragonEffect ] ATK 4000 DEF 0 (This card is always treated as an "Ultimate Crystal" card.) Cannot be Normal Summoned/Set

The TCG card has playable stats but is universally a display piece at this price

With the right combination you can loop Core Prowler with Reveillark, Karmic Guide, and a sac outlet, netting plenty of proliferation after the initial infection

The natural play pattern is to load Obuun up with its own counters so the creatures it makes hit even harder, but this could also lead a counters-based deck that uses it to spread a bunch of free counters around

Currently, the most expensive Umbreon card in existence is the Sword & Shield Evolving Skies Special Illustration Rare valued at $1,800 by TCGPlayer

Empoleon Part of the Majestic Dawn expansion, Empoleon is a stage 2 Water-Type Pokmon Card, with 130 HP