Channel Harm [Fate Reforged] Human Druid Knight Set: Revised Edition Type: Artifact

Set: Revised Edition Type: Artifact Rarity: Rare Cost: {5} {5}

Set: Amonkhet Type: Instant Rarity: Common Cost: {1}{G} Destroy target artifact

Set: Ice Age Type: Creature — Zombie Rarity: Common Cost: {1}{B}{B} {T}

but even they have fears to be exploited

Set: 2016 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Rare Attack: 1000 Defense: 2000 When this card is Normal or Special Summoned: You can send 1 "Performapal" monster from your Deck to the Graveyard

Channel Harm [Fate Reforged] Human Druid Knight Set: Revised Edition Type: ArtifactSet: Fate Reforged Type: Instant Rarity: Uncommon Cost: {5}{W} Prevent all damage that would be dealt to you and permanents you control this turn by sources you don't control. If damage is prevented this way, you may have Channel Harm deal that much damage to target creature.