Allosaurus Rider Condition:Excellent sacrifice Helm of Obedience and

sacrifice Helm of Obedience and put one of them onto the battlefield under your control

Whenever an opponent activates an ability that isn't a mana ability

Each opponent exiles a card from their hand or a permanent they control

When Ulvenwald Hydra enters the battlefield

• Your life total becomes 4

Allosaurus Rider Condition:Excellent sacrifice Helm of Obedience andAllosaurus Rider Creature Elf Warrior You may exile two green cards from your hand rather than pay this spell's mana cost. Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control. Set: Duel Decks Anthology: Elves vs. Goblins Language: English