Unlike so many of the other cards in this list they replace themselves and frequently get cycled away without being used to help fix your colours at all
There are also tons of great Ascended Heroes chase cards, with some like Mega Gengar ex and Pikachu ex already selling for over $1,000
This is a pretty new hack, flawlessly blending Gen 2 and Gen 3, while building on the Hoenn Region, adding new mechanics like the Dive Safari and the Wishing Well for new gameplay experiences
While its occasionally a part of various infinite loops, its most common application is as a value card, bringing back cards like Kitchen Finks, Vendilion Clique, Wall of Omens, and sometimes Blade Splicer
That four-mana Red creature will let you discover a second time when you discover, but only once each turn
If you choose not to cast the card, it remains in exile