Considering Plasma Blast's age at this point, it's no surprise to see cards available across the condition spectrum, with heavily played (HP) copies securing about ten dollars, moderately played (MP) selling for about $15, along with lightly played (LP) copies around $26 and near-mint (NM) versions setting the pace at $50
If it results in a completely empty battlefield, or pretty close to empty, it qualifies for the list
Maybe just trying to get rid of excess of one of them
Legendary Creature - Demon Cleric Commander (CTRL to add secondary) Burn Burn (CTRL to add secondary) Draw Draw (CTRL to add secondary) Mill Extractor Demon Flying Whenever another creature leaves the battlefield, you may have target player mill two cards
While primarily used for it's card draw ability early game when players are too greedy to pay their taxes, don't underestimate the value of buffing your sentinel to continue drawing cards in the mid and late game