Outrage Shaman

Chroma reads the board as a tally of red mana symbols, and this Goblin Shaman is the mechanic at its most legible: the body arrives to throw a removal spell sized by how aggressively your costs are pipped. Because the card counts its own double-red cost among the permanents you control, it floors out at two damage in the baseline case, then climbs with every additional red symbol on the table. In a deck running hybrid splashes and other double-red threats, the number can be embarrassing for whatever creature it points at; in a deck that merely happens to be red, it does the minimum and feels like a tax for the privilege. That swing is the whole bargain. The payout scales with commitment to red, so the design punishes light splashes and rewards a build where every permanent's cost bristles with red. The count is taken when the trigger resolves, not when the Shaman enters, so the damage is live to the stack: an opponent can shrink it by killing a red permanent in response, and you can pad it by flashing one in before resolution. The 2/2 is the honest half of the deal, since the entry damage carries the card and the creature left behind is incidental. As an illustration of why a devotion-style mechanic has to pay out big or not at all, it is unusually direct.