In Garruk's Wake [Magic 2015] Elemental Horror during your Main Phase 1:

during your Main Phase 1: You can detach 1 Xyz Material from this card

Set: Dominaria Type: Instant Rarity: Uncommon Cost: {2}{R} This spell costs {2} less to cast if you control a Wizard

Fewer find it

Set: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Common Attack: 1200 Defense: 1200 Once per turn

In Garruk's Wake [Magic 2015] Elemental Horror during your Main Phase 1:Set: Magic 2015 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.