Boros Keyrune [Gatecrash] Ral If this card battles a

If this card battles a monster

but it leaves the field if this card is no longer face-up on the field

Those who don't learn from their deaths are destined to repeat them

When Nesting Wurm enters the battlefield

Set: Invasion of Chaos Card type: Normal Trap Rarity: Ultra Rare Attack: 0 Defense: 0 During 1 face-up Monster Card and inflict damage equal to the destroyed card's ATK to the Life Points of both you and your opponent

Boros Keyrune [Gatecrash] Ral If this card battles aSet: Gatecrash Type: Artifact Rarity: Uncommon Cost: {3} {T}: Add {R} or {W}. {R}{W}: Boros Keyrune becomes a 1 1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first strike and regular combat damage.)