Ticking Gnomes

Ticking Gnomes

Artifact Creature - Gnome | Power/Toughness: 3 / 3 (CMC 3)
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Sacrifice Ticking Gnomes: It deals 1 damage to any target.