Cards List
The Phyrexian death machine awoke, its coldsteel heart imbuing it with sinister new power.U 0136 – CSP
Coldsteel Heart
Historic Anthology IV (HA4)
Find the best Standard decks for Coldsteel Heart, it's winrate, popularity and the MTG Arena formats where it is legal!
This artifact enters tapped.
As this artifact enters, choose a color.
: Add one mana of the chosen color.
Artifact
The Phyrexian death machine awoke, its coldsteel heart imbuing it with sinister new power.