Helm of Chatzuk [Collectors' Edition] Journey into Nyx Hero's Path when an opponent's monster declares

when an opponent's monster declares an attack while you control another "Kuriboh" monster: You can change the ATK of all other monsters you control to 0 until the end of this turn

Set: From the Vault: Dragons Type: Artifact Creature — Dragon Rarity: Rare Cost: {16} Domain — This spell costs {2} less to cast for each basic land type among lands you control

Set: Renaissance Type: Artifact Creature — Construct Rarity: Uncommon Cost: {6} Triskelion enters the battlefield with three +1/+1 counters on it

apply the following effect(s)

Set: Onslaught Type: Creature — Elf Warrior Rarity: Rare Cost: {1}{G} Whenever another Elf enters the battlefield

Helm of Chatzuk [Collectors' Edition] Journey into Nyx Hero's Path when an opponent's monster declaresSet: 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.)