Geistflame Reservoir
Artifact
Whenever you cast an instant or sorcery spell, put a charge counter on this artifact.
, 
, Remove any number of charge counters from this artifact: It deals that much damage to any target., : Exile the top card of your library. You may play that card this turn.
- CMC
- 3
- Mana cost
- Color identity
- R
- Rarity
- rare
- Set
- Magic Online Promos
- Price
- —
- EDHREC rank
- #16628
Geistflame Reservoir converts excess spell-casting into stored damage and card filtering, doing real work in any deck that casts multiple spells per turn. Three mana to deploy is efficient enough that it earns its slot without needing combo support.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Geistflame Reservoir is a natural fit for spellslinger and storm-adjacent builds — it banks charge counters across multiple turns and converts them into reach or card selection exactly when you need it. Modern and Pioneer have faster clocks and more focused game plans, so the Reservoir rarely competes with purpose-built payoffs in those formats. Legacy and Vintage are simply too powerful an environment for a three-mana artifact with a slow accumulation pattern. Oathbreaker, like Commander, rewards the card more than 60-card formats do, since the singleton structure and higher spell density give it consistent fuel.
Key Combos
Combo lines featuring this card
Price Context
Current price
unknown tier
Pricing data isn't available at the moment, so check Scryfall or TCGPlayer for a current figure on Geistflame Reservoir. Given its niche role and moderate casual demand, it has historically sat in the bulk-to-low-value range, making it an easy pickup if the effect fits your deck.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.