pokemon cards level x Salamence LV.X Fire Fire Colorless Colorless Colorless As requested here is the

Galerider Sliver Crystalline Sliver Hibernation Sliver Manaweft Sliver Realmwalker Syphon Sliver Bonescythe Sliver Shifting Sliver Brood Sliver Sliver Hivelord Synapse Sliver Farseek Natures Lore Three Visits Harsh Mercy Windfall Sol Ring Heralds Horn Vanquishers Banner That does it for Sliver Swarm and Commander Masters in general

An unblocked Swampwalker can become anything from a Throat Slitter to Silent-Blade Oni

These largely centered around promotional cards, with Japanese collectors often able to get their hands on promo cards that nobody else could

Dark Ritual is among these, and is currently only available in Japanese