Heartstone
Stronghold (STH #134)
Pricespreview
CHCardhoarder
Normal
0.04 tix
Foil
0.30 tix
CKCard Kingdom
Normal
$3.49
CMCardmarket
Normal
€1.49
MPMana Pool
Normal
$1.43
TCTCGplayer
Normal
$2.40
Heartstone
CMC: 3
Type
Artifact
Rules Text
Activated abilities of creatures cost 
less to activate. This effect can't reduce the mana in that cost to less than one mana.
Printing
Stronghold (STH #134)
uncommon
Illustrated by John Matson