Caustic Crawler

Creature — Insect • Mana cost: {3}{B}{B} • Worldwake • Uncommon

Landfall — Whenever a land you control enters, you may have target creature get -1/-1 until end of turn.

Novice explorers can mistake the acid-carved stone lairs for ancient ruins. They rarely survive to learn better.

Illustrated by Raymond Swanland.