Roar of Jukai

Instant — Arcane    (CMC:3)

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.)

140 BOK • ENRon Spencer

™ & © 1993—2005 Wizards of the Coast

Legal in: Modern,Kamigawa Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Classic,Singleton 100,Commander

Oracle Text (click to copy):

Roar of Jukai {2}{G} Instant — Arcane 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.)

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View this MTG card on Gatherer

2/1/2005
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.
6/7/2013
You reveal all cards you intend to splice at the same time. Each individual card can be spliced only once onto any one spell.
6/7/2013
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.
6/7/2013
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.
6/7/2013
If all of the spell's targets are illegal when the spell tries to resolve, it will be countered and none of its effects will happen.

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