Mercurial Geists
Creature — Spirit
Flying
Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn.
- CMC
- 4
- Mana cost
- Color identity
- RU
- Rarity
- uncommon
- Set
- Shadows over Innistrad Remastered
- Price
- —
- EDHREC rank
- #24655
Mercurial Geists is a four-mana 1/3 flier that pumps to a 4/3 whenever you cast an instant or sorcery — payoff and enabler in the same body. The ceiling is real in spell-heavy decks, but the floor is a vanilla 1/3 in the air, which is not where you want to be for four mana.
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, Mercurial Geists fits narrowly into Izzet spellslinger lists that want a redundant threat alongside Spellheart Chimera and similar payoffs — it's serviceable but rarely the best option at its slot. Modern and Pioneer have enough cheap interaction and efficient threats that a conditional 4/3 flier for four mana doesn't compete; it's simply outclassed. Legacy and Vintage move too fast for Mercurial Geists to matter. Oathbreaker is the friendliest home, where a dedicated instants-and-sorceries shell can reliably trigger it every turn and the lower power ceiling makes a repeatable 4/3 flier more meaningful.
Key Combos
Combo lines featuring this card
Price Context
Current price
unknown tier
Pricing data for Mercurial Geists isn't available in this snapshot, so check Scryfall or TCGPlayer for the current market rate. Given its narrow application and lack of competitive demand, it almost certainly sits at bulk or near-bulk — fine to pick up as a throw-in, not worth hunting down.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.