shiny suicune pokemon card (Shiny) - Call of Legends Lx2 / None / 1 Shining Fates Suicune Ex Immersive - Holo

Not only is this an infinite coloured mana combo, but it's also an infinite enters-the-battlefield combo

Harry: In terms of difficulty to spot the fake, and you've given me a curveball here, you've shown me three of the same card, we've got three Venonats, and I'm gonna try and guess which one's real, which one's fake, or which ones plural are real and which ones plural are fake

Xenagos, God of Revels 4.5 A pretty terrifying card in the deck

This set is appropriately named the Dragon Discovery promotion, and Dragon-type fans will want to get their hands on these cards, but tracking them down could prove problematic as they appear in Happy Meals