Roar of Jukai BOK/140

Set: Betrayers of Kamigawa
Collector Code: BOK/140
Name: Roar of Jukai
Type: Instant — Arcane
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.)
Rarity: Common