Teacher's Pest

A two-mana body that keeps buying itself back for two mana, tapped, forever: that self-returning clause is the entire strategic frame. The tapped condition is the tax that keeps this from being an oppressive engine on its own. A creature that returns tapped cannot re-attack the turn it comes back, and it cannot block the swing coming your way, so every recursion buys presence rather than immediate pressure. What that presence is worth depends on what the creature does when it attacks, and here the payload is deliberately modest: a point of life each swing, plus menace to make the small body harder to trade off in combat. The design logic is aggressive attrition, not tempo. This is a threat that trades one for one and then asks the graveyard for another copy, cushioning its owner's life total a point at a time while it grinds. The Golgari cost pins it to exactly the pairing where that plan lives: black supplies the graveyard as a resource and the willingness to accept a slow race, green supplies the body that keeps showing up. It is built to be sacrificed, chumped, and killed without the owner minding much, because the removal a defender spends is only a delay, and the delay costs the attacker two mana to undo. A creature that punishes any deck with no way to exile it.