Helm of Chatzuk [Unlimited Edition] Human Nomad Cleric put a shield counter on

put a shield counter on target attacking creature

then attach this to it

dealt damage

+1: Search your library and/or graveyard for a card named Monk of the Open Hand

Set: The List Type: Instant Rarity: Common Cost: {2}{R} Add {R}{R}{R}{R}{R}

Helm of Chatzuk [Unlimited Edition] Human Nomad Cleric put a shield counter onSet: Unlimited 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.)