In Garruk's Wake [Zendikar Rising Commander] XY162 Set: Sword & Shield: Rebel

Set: Sword & Shield: Rebel Clash Type: Metal Rarity: Uncommon Retreat cost: Colorless

Set: Sword & Shield: Chilling Reign Type: Psychic Rarity: Uncommon Retreat cost: Colorless

if mana from a Treasure was spent to cast it or activate it

You may pay {0} rather than pay the equip cost of the first equip ability you activate each turn

No evidence

In Garruk's Wake [Zendikar Rising Commander] XY162 Set: Sword & Shield: RebelSet: Zendikar Rising Commander Type: Sorcery Rarity: Rare Cost: {7}{B}{B} Destroy all creatures you don't control and all planeswalkers you don't control. Beyond pain, beyond obsession and wild despair, there lies a place of twisted power only the most tormented souls can reach.