Flamewave Invoker [Duel Decks: Jace vs. Chandra] Magic 2010 Promos When an attack is declared

When an attack is declared involving this card that was Synchro Summoned this turn and another monster: You can make this card's ATK become double its original ATK until the end of this turn

But mostly blood

if that player's program has fewer than five cards

Spell/Trap Cards your opponent controls cannot be destroyed (by battle or card effect)

and your opponent randomly picks 1 for you to add to your hand

Flamewave Invoker [Duel Decks: Jace vs. Chandra] Magic 2010 Promos When an attack is declaredSet: Duel Decks: Jace vs. Chandra Type: Creature Goblin Mutant Rarity: Uncommon Cost: {2}{R} {7}{R}: Flamewave Invoker deals 5 damage to target player or planeswalker. Inside even the humblest goblin lurks the potential for far greater thingsand far worse.