Lightning Greaves [Mirrodin] Common Sacrifice Engineered Explosives: Destroy each

Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives

The Arbiter is a conduit of justice

Tap three untapped Zombies you control: You draw a card and you lose 1 life

Set: Saviors of Kamigawa Type: Enchantment Rarity: Rare Cost: {2}{W}{W} Creatures with power 2 or less can't attack you

Sacrifice the creature at the beginning of the next end step

Lightning Greaves [Mirrodin] Common Sacrifice Engineered Explosives: Destroy eachSet: Mirrodin Type: Artifact Equipment Uncommon Cost: {2} Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}