Helm of Chatzuk [Fifth Edition] Beast where X is the greatest

where X is the greatest amount of damage dealt by a source to a permanent or player this turn

Set: Conspiracy Type: Legendary Planeswalker — Dack Rarity: Mythic Cost: {1}{U}{R} +1: Target player draws two cards

Set: Seventh Edition Type: Creature — Elf Rarity: Rare Cost: {1}{G}{G} Other Elf creatures get +1/+1 and have forestwalk

Set: Portal Type: Sorcery Rarity: Uncommon Cost: {4}{R}{R} Destroy two target lands

He's switched sides so often that he has become everyone's ally yet no one's friend

Helm of Chatzuk [Fifth Edition] Beast where X is the greatestSet: Fifth 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.)