changeling mtg cards War-Spike [Modern Masters] When this leaves the battlefield Omni-Changeling | Lorwyn Eclipsed Foil

It shows how little the designers understood the game they had created that this card - which lets you draw three cards for one mana - was assumed to be roughly as powerful as Giant Growth, Lightning Bolt, Dark Ritual, or (of all things) Healing Salve

Although desirability is somewhat discussed, the actual monetary value of misprints will not be

1 | Bludgeon Brawl $0.40 Mana Value: 2R Rarity: Rare Card Text: Each noncreature, non-Equipment artifact is an Equipment with equip X and Equipped creature gets +X/+0, where X is that artifacts mana value

At that point, youre talking about an entire strategy revolving around infinite resourcessomething that should already fall under the umbrella of a Rule 0 discussion