Rosheen, Roaring Prophet
Legendary Creature — Giant Shaman
When Rosheen enters, mill six cards. You may put a card with 
in its mana cost from among them into your hand.
: Reveal any number of cards with in their mana cost in your hand. Add 
for each card revealed this way. Spend this mana only on costs that contain .
- CMC
- 4
- Mana cost
- Color identity
- GR
- Rarity
- rare
- Set
- Modern Horizons 3
- Price
- —
- EDHREC rank
- #13206
Rosheen, Roaring Prophet drops onto the board and immediately doubles your X-spell output — every {<span class="card-name deferred">X</span>} you pour in gets matched, turning modest mana investments into board-warping ones. The cost is that you need a critical mass of X-spells to justify the slot, which Magus Lucea Kane decks already run by default.
Best Commanders
Commanders with the highest synergy
Magus Lucea Kane
Magus Lucea Kane already copies X-spells on the stack; Rosheen, Roaring Prophet stacks on top of that by doubling the mana going in, so the copied spell resolves with the same inflated X — the two together make X-payoffs scale faster than almost any other engine pairing.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Rosheen, Roaring Prophet actually belongs — the format's longer games and access to powerful X-spells give the doubling effect enough turns to matter. In Legacy, Modern, and Vintage it's technically legal but outclassed by faster, more consistent threats; no competitive shell is looking for a five-mana creature that enables a strategy those formats can't sustain anyway. Oathbreaker is a reasonable home if you're building around a planeswalker with an X-based activated ability, though the card pool is narrower.
Key Combos
Combo lines featuring this card
Price Context
Current price
unknown tier
Current price data isn't available for Rosheen, Roaring Prophet, so check Scryfall or TCGPlayer for the live number before buying. Given its niche role as an X-spell enabler with a specific deck requirement, it's unlikely to command a premium — but verify before assuming it's a bulk pickup.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.