Haste
: This creature gets +1/+0 until end of turn.
If it can survive the Furnace, you don't want it near you.
Illustrated by Jeff Miracola · Stronghold · #87
There are no rulings for Furnace Spirit.
: This creature gets +2/+0 until end of turn.
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.)