Stormcatch Mentor
Creature — Otter Wizard
Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Instant and sorcery spells you cast cost 
less to cast.
- CMC
- 2
- Mana cost
- Color identity
- RU
- Rarity
- uncommon
- Set
- Bloomburrow
- Price
- $1.82
- EDHREC rank
- #1018
Stormcatch Mentor puts a free copy of every instant or sorcery you cast directly onto the stack — the payoff is immediate and enormous in any deck that casts spells at volume. The cost is real: it only triggers on instants and sorceries you cast, not ones you copy, which means Alania, Divergent Storm lists need both pieces to go infinite rather than chaining off existing copies.
Best Commanders
Commanders with the highest synergy
Alania, Divergent Storm
Alania, Divergent Storm runs Stormcatch Mentor in over 93% of lists because the two cards are a self-contained engine — Alania copies the copy Stormcatch Mentor makes, which triggers Alania again, creating a chain that generates infinite tokens with any spell that costs one mana.
Bria, Riptide Rogue
Bria, Riptide Rogue wants every spell copied to maximize prowess-style triggers and pump her through combat, and Stormcatch Mentor delivers a free copy on every instant or sorcery without requiring additional mana.
Rootha, Mastering the Moment
Rootha, Mastering the Moment already wants to double up spells on her own, and Stormcatch Mentor stacks a second copy on top of Rootha's activated ability, letting a single spell do triple duty.
Iroh, Grand Lotus
Iroh, Grand Lotus rewards casting instants and sorceries with card draw and life triggers, so Stormcatch Mentor effectively doubles the number of spells Iroh sees each turn without spending extra mana.
Lilah, Undefeated Slickshot
Lilah, Undefeated Slickshot cares about the volume of noncreature spells cast each combat step, and Stormcatch Mentor turns every one into two — letting Lilah hit threshold for her payoffs far more consistently.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Stormcatch Mentor lives: 100-card singleton games give spell-slinger commanders enough room to build around it, and the free copy is backbreaking at a table where a single well-timed instant can swing a three-way board state. In competitive 60-card formats like Modern and Pioneer, a five-mana enchantment that does nothing until you cast another spell is too slow — the formats punish that setup window mercilessly. Standard and Legacy are legal but similarly uninterested: Standard lacks the critical mass of copy-payoff commanders, and Legacy has faster, cheaper ways to double spells. Stormcatch Mentor is a Commander card that happens to be legal elsewhere.
Key Combos
Combo lines featuring this card
Price Context
Current price
$1.82 cheap tier
At $1.82, Stormcatch Mentor is cheap for a card that slots into the 90%-plus range of two of the most-built commanders on EDHREC. The price reflects its narrow appeal — it's nearly unplayable outside Commander — but inside that format it punches well above what you're paying.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.