Glass-Cast Heart
Artifact
Whenever one or more Vampires you control attack, create a Blood token. (It's an artifact with "
, 
, Discard a card, Sacrifice this token: Draw a card.")
, , Pay 1 life: Create a 1/1 white and black Vampire creature token with lifelink., , Sacrifice this artifact and thirteen Blood tokens: Each opponent loses 13 life and you gain 13 life.
- CMC
- 3
- Mana cost
- Color identity
- B
- Rarity
- rare
- Set
- Crimson Vow Commander
- Price
- $0.45
- EDHREC rank
- #4627
Glass-Cast Heart enters the battlefield and immediately starts draining opponents for each Blood token you create, turning a resource-generation mechanic into a life-total clock. The cost is negligible — two mana for an artifact that does nothing on its own but pays dividends in every vampire shell that was already making Blood tokens. Strefan, Maurer Progenitor decks run it at 85% inclusion for a reason: the card is nearly free to slot and demands an answer.
Best Commanders
Commanders with the highest synergy
Strefan, Maurer Progenitor
Strefan, Maurer Progenitor is built around generating Blood tokens to cheat vampires into play, and Glass-Cast Heart converts every one of those tokens into a drain trigger — the engine that was already fueling your commander now also wins the game on a separate axis.
Evelyn, the Covetous
Evelyn, the Covetous runs a Grixis vampire shell that frequently spills into Blood-token generation through supporting pieces, and Glass-Cast Heart slots in as a cheap passive drainer that pressures life totals without competing for the deck's core gameplan.
Clavileño, First of the Blessed
Clavileño, First of the Blessed cares about vampires dying and creating tokens, and Glass-Cast Heart adds a drain layer on top of the Blood tokens that vampire-tribal support pieces naturally produce in that shell.
Olivia, Crimson Bride
Olivia, Crimson Bride reanimates vampires and benefits from a wide vampire presence, and Glass-Cast Heart provides incremental life drain that compounds alongside the aggressive board states that shell builds toward.
Shilgengar, Sire of Famine
Shilgengar, Sire of Famine sacrifices creatures for Angel tokens and life payment, and Glass-Cast Heart fits as an additional drain piece in a deck already tracking life totals closely — every Blood token generated by support cards becomes free incremental damage.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Glass-Cast Heart lives — it's a vampire-tribal staple with near-universal inclusion in Strefan, Maurer Progenitor builds and strong representation across every major Blood-token commander. Outside Commander, the card is legal in Legacy and Vintage but sees no competitive play there; those formats have no vampire-token engine that makes Blood tokens at the rate needed to make the drain meaningful, and two mana for a do-nothing artifact without an immediate effect doesn't clear the power bar. Oathbreaker is a reasonable secondary home if you're building around a vampire planeswalker signature spell package, but Commander is the clear primary format.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.45 bulk tier
At $0.45, Glass-Cast Heart is bulk by every measure — pick it up without thinking. Given its 85% inclusion rate in the most-played deck that wants it, this price is likely a floor rather than a ceiling, but the point is simple: there's no reason to wait.
Explore
Sources
Mentioned
- Strefan, Maurer Progenitor
- Evelyn, the Covetous
- Clavileño, First of the Blessed
- Olivia, Crimson Bride
- Shilgengar, Sire of Famine
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.