Plague Beetle

Evasion sold at the bluntest possible rate: a single black mana, a fragile body, and an unblockable clock against anyone fielding the most common black-mirror land type. The design logic is the one that produced the whole landwalk family across early sets: rather than grant a creature true unblockable status, the keyword keys evasion to the defending player's manabase, so the ability swings from irrelevant to decisive depending on the colors across the table. Against an opponent with no Swamp, this is a 1/1 that trades with nothing. Against a black deck, it connects every turn the opponent keeps a Swamp on the battlefield, which is most of them. That conditionality is what pays for the price: the card costs almost nothing because its payoff is gated behind an opposing land type the player cannot touch. It belongs to a lineage of cheap landwalkers built as answers to specific color matchups, evasion you accept will be dead against half the field in exchange for being nearly impossible to interact with against the other half. The Insect typing carries no weight here; this is the conditional-evasion idea sized down to its smallest sustainable form, a one-mana creature whose entire value proposition lives or dies on what color your opponent happens to be playing.