Sludge Strider{1}{W}{U}{B}
Artifact Creature — Insect
Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you do, target player loses 1 life and you gain 1 life.
Underneath the cities of Esper are cycles of life unseen by those who feed them.
3/3
Artist: Franz Vohwinkel