Helm of Chatzuk (CE) [Collectors’ Edition] Plains they're treated as though they

they're treated as though they don't exist

Collectors’ Edition Type: Artifact Uncommon Cost: {4} {1}

" —Illulia of Nighthearth

Set: Exodus Type: Artifact Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

Helm of Chatzuk (CE) [Collectors’ Edition] Plains they're treated as though theySet: Collectors Edition Type: Artifact 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.)