Krark-Clan Ogre

The repeatable Falter effect is the pitch here, and the artifact-sacrifice cost is what places this firmly in an affinity-or-bust shell rather than a generic red aggro deck. Stripping one blocker for the price of a red mana plus a spare permanent is the kind of evasion enabler that turns a stalled board into a lethal swing, but the activation is gated twice: you need red mana and, more pointedly, a steady supply of artifacts to feed it. That second clause is the whole design logic. In a deck overflowing with artifact tokens, cheap equipment, or disposable cogs, the ability reads as a recurring tempo lever you can fire every turn; in a deck without them, it sits dormant on a 3/3 body that costs five mana. The ogre functions as a license to run an artifact engine and convert spare permanents into damage, a sacrifice outlet whose payoff happens to be removing a blocker rather than the usual graveyard or drain triggers. It belongs to the line of red creatures whose worth is entirely conditional on the build around them, where the mana value tells you nothing and the ability's fuel requirement tells you everything.