Helm of Chatzuk [Collectors' Edition] World Championship Decks 2004 where X is that creature's

where X is that creature's power

Set: Alpha Edition Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

Set: Planechase Anthology Planes Type: Plane — Lorwyn Rarity: Common Whenever a land enters the battlefield

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {R}

They tunneled

Helm of Chatzuk [Collectors' Edition] World Championship Decks 2004 where X is that creature'sSet: Collectors' Edition Type: Artifact Rarity: Rare Cost: {1} {1}, {T}: Target creature gains banding until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding a player controls are blocking or being blocked by a creature, that player divides that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)