Rings of Brighthearth [Kaladesh Inventions] Historic {T}: Exchange target opponent's life

{T}: Exchange target opponent's life total with Tree of Perdition's toughness

Western Warrior attacks alone

Set: Battle for Zendikar Prerelease Promos Type: Legendary Planeswalker — Gideon Rarity: Mythic Cost: {2}{W}{W} +1: Until end of turn

quoting Confucius

Sacrifice Powder Keg: Destroy each artifact and creature with converted mana cost equal to the number of fuse counters on Powder Keg

Rings of Brighthearth [Kaladesh Inventions] Historic {T}: Exchange target opponent's lifeSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy. Crafted in emulation of dwarven hearth decorations, these devices doubled the output of Amrit Vatyam's forges.