pokemon muk card value (57/127) [Platinum: Base Set] – Plug Description coming soon... Pokemon 1st Edition Dark Muk

Now, if you can just find a Dark Ritual and a Skirge Familiar, you can convert your life to cards and cards to mana efficiently

Cards like Garruk's Horde or Oracle of Mul Daya come to mind

Iconic Cards Scars of Mirrodin : Infect cards: Skithiryx, the Blight Dragon, Tainted Strike, and Grafted Exoskeleton Mox Opal Wurmcoil Engine Mirrodin Besieged : New Phyrexia : Elesh Norn, Grand Cenobite and the other Phyrexian praetors Birthing Pod Batterskull Gitaxian Probe Mental Misstep Triumph of the Hordes Positives: Proliferate and living weapon are awesome

These can reach very high prices when the card has a strong story, popular IP, or genuine one-of-one status