Roar of Jukai
~$0.08 low · ~$0.60 high
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Green. Instant — Arcane
Betrayers of Kamigawa #140 · Illustrated by Ron Spencer
Betrayers of Kamigawa #140 · Illustrated by Ron SpencerWhat is Roar of Jukai worth?
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TCGplayer market prices in USD, updated October 14, 2026. Each price is for one printing and one finish.
Oracle text
If you control a Forest, each blocked creature gets +2/+2 until end of turn.
Splice onto Arcane—An opponent gains 5 life. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Format legality
The only printing of Roar of Jukai
| Printing | Rarity | Non-foil | Foil | Cardmarket (EUR) | My collection |
|---|---|---|---|---|---|
 Betrayers of Kamigawa bok #140· 2005common· Cardmarket €0.10 · €0.33 foil | common | $0.08 | $0.60 | €0.10€0.33 foil |
Prices are TCGplayer market prices in USD for each printing and finish, via Scryfall. They are a guide, not an appraisal.
Where to buy Roar of Jukai
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Card details
- First printed
- 2005
- Printings
- 1
- Mana value
- 3
- EDHREC rank
- #25,487 on EDHREC (Commander popularity)
- Keywords
- Splice
- Artist
- Ron Spencer
What the codes mean
The small print at the bottom of the Betrayers of Kamigawa card (#140).
140
- 140Collector number: this card's place in the set list. Main-set cards print it over the set's card count.
Cards from 1998 to mid-2014 print the collector number over the set's card count (like 90/383) next to the copyright line. They have no rarity letter, set code or language code: the set symbol and its colour show the set and rarity.
How to read a Magic card: every part and code, on real cards.
Rulings (5)
February 1, 2005
Roar of Jukai can be cast even if you don’t control a Forest or there are no blocked creatures. If you control no Forests or if there are no blocked creatures, the spell does nothing.
June 7, 2013
You choose all targets for the spell after revealing cards you want to splice, including any targets required by the text of any of those cards. You may choose a different target for each instance of the word “target” on the resulting spell.
June 7, 2013
You reveal all cards you intend to splice at the same time. Each individual card can be spliced only once onto any one spell.
June 7, 2013
A card with a splice ability can’t be spliced onto itself because the spell is on the stack (and not in your hand) when you reveal the cards you want to splice onto it.
June 7, 2013
If all of the spell’s targets are illegal when the spell tries to resolve, it won’t resolve and none of its effects will happen.
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