Sword of War and Peace [Kaladesh Inventions] Champs and States "This device was commisioned by

"This device was commisioned by a king who desired peace

you may change "swampwalk" to "plainswalk

if all the monsters that were used for the Synchro Summon of this card are in your Graveyard: You can Special Summon all of them

destroy all monsters your opponent controls and inflict 500 damage to your opponent for each monster destroyed by this effect

Sword of War and Peace [Kaladesh Inventions] Champs and States "This device was commisioned bySet: Kaladesh Inventions Type: Artifact Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2 +2 and has protection from red and from white. Whenever equipped creature deals combat damage to a player, Sword of War and Peace deals damage to that player equal to the number of cards in their hand and you gain 1 life for each card in your hand. Equip {2}